22768452 has 60 divisors (see below), whose sum is σ = 68031040. Its totient is φ = 6504624.

The previous prime is 22768399. The next prime is 22768453. The reversal of 22768452 is 25486722.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22768453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2752 + ... + 7287.

Almost surely, 2^22768452 is an apocalyptic number.

It is an amenable number.

22768452 is an abundant number, since it is smaller than the sum of its proper divisors (45262588).

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

22768452 is a wasteful number, since it uses less digits than its factorization.

22768452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10062 (or 10051 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 22768452 is about 4771.6299102089. The cubic root of 22768452 is about 283.4291416091.

It can be divided in two parts, 22768 and 452, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 22768452 in words is "twenty-two million, seven hundred sixty-eight thousand, four hundred fifty-two".