1320122223 has 96 divisors (see below), whose sum is σ = 2416727040. Its totient is φ = 677445120.

The previous prime is 1320122203. The next prime is 1320122333. The reversal of 1320122223 is 3222210231.

1320122223 is a `hidden beast` number, since 1 + 320 + 122 + 223 = 666.

It is not a de Polignac number, because 1320122223 - 2¹² = 1320118127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320122196 and 1320122205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320122203) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1815486 + ... + 1816212.

It is an arithmetic number, because the mean of its divisors is an integer number (25174240).

Almost surely, 2^1320122223 is an apocalyptic number.

1320122223 is a deficient number, since it is larger than the sum of its proper divisors (1096604817).

1320122223 is a wasteful number, since it uses less digits than its factorization.

1320122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1320122223 is about 36333.4862489137. The cubic root of 1320122223 is about 1096.9951664876.

Adding to 1320122223 its reverse (3222210231), we get a palindrome (4542332454).

The spelling of 1320122223 in words is "one billion, three hundred twenty million, one hundred twenty-two thousand, two hundred twenty-three".