22252420602 has 20 divisors (see below), whose sum is σ = 49861905786. Its totient is φ = 7417473480.

The previous prime is 22252420571. The next prime is 22252420607. The reversal of 22252420602 is 20602425222.

22252420602 is a `hidden beast` number, since 2 + 2 + 2 + 52 + 4 + 2 + 0 + 602 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22242441321 + 9979281 = 149139^2 + 3159^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22252420607) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68680149 + ... + 68680472.

Almost surely, 2^22252420602 is an apocalyptic number.

22252420602 is an abundant number, since it is smaller than the sum of its proper divisors (27609485184).

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

22252420602 is a wasteful number, since it uses less digits than its factorization.

22252420602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137360635 (or 137360626 counting only the distinct ones).

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

Adding to 22252420602 its reverse (20602425222), we get a palindrome (42854845824).

The spelling of 22252420602 in words is "twenty-two billion, two hundred fifty-two million, four hundred twenty thousand, six hundred two".