22042002552 has 32 divisors (see below), whose sum is σ = 55110652800. Its totient is φ = 7346581344.

The previous prime is 22042002503. The next prime is 22042002553. The reversal of 22042002552 is 25520024022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042002553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223893 + ... + 306939.

It is an arithmetic number, because the mean of its divisors is an integer number (1722207900).

Almost surely, 2^22042002552 is an apocalyptic number.

It is an amenable number.

22042002552 is an abundant number, since it is smaller than the sum of its proper divisors (33068650248).

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

22042002552 is a wasteful number, since it uses less digits than its factorization.

22042002552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94115 (or 94111 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 22042002552 its reverse (25520024022), we get a palindrome (47562026574).

The spelling of 22042002552 in words is "twenty-two billion, forty-two million, two thousand, five hundred fifty-two".