1223937288 has 324 divisors, whose sum is σ = 4205171295. Its totient is φ = 320604480.

The previous prime is 1223937277. The next prime is 1223937311. The reversal of 1223937288 is 8827393221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 611968644 + 611968644 = 24738^2 + 24738^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24738.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (290304) is a multiple of the sum of its prime factors (126).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 39481833 + ... + 39481863.

Almost surely, 2^1223937288 is an apocalyptic number.

1223937288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223937288

1223937288 is an abundant number, since it is smaller than the sum of its proper divisors (2981234007).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223937288 is a wasteful number, since it uses less digits than its factorization.

1223937288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 62 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1223937288 is about 34984.8151059856. The cubic root of 1223937288 is about 1069.6779792019.

The spelling of 1223937288 in words is "one billion, two hundred twenty-three million, nine hundred thirty-seven thousand, two hundred eighty-eight".