2523222144 has 256 divisors, whose sum is σ = 8015241600. Its totient is φ = 778567680.

The previous prime is 2523222139. The next prime is 2523222217. The reversal of 2523222144 is 4412223252.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3936064 + ... + 3936704.

Almost surely, 2^2523222144 is an apocalyptic number.

2523222144 is a gapful number since it is divisible by the number (24) 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 2523222144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4007620800).

2523222144 is an abundant number, since it is smaller than the sum of its proper divisors (5492019456).

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

2523222144 is a wasteful number, since it uses less digits than its factorization.

2523222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 730 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 2523222144 is about 50231.6846621731. The cubic root of 2523222144 is about 1361.3981699394.

Adding to 2523222144 its reverse (4412223252), we get a palindrome (6935445396).

The spelling of 2523222144 in words is "two billion, five hundred twenty-three million, two hundred twenty-two thousand, one hundred forty-four".