22352162642 has 4 divisors (see below), whose sum is σ = 33528243966. Its totient is φ = 11176081320.

The previous prime is 22352162639. The next prime is 22352162653. The reversal of 22352162642 is 24626125322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22079285281 + 272877361 = 148591^2 + 16519^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5588040659 + ... + 5588040662.

Almost surely, 2^22352162642 is an apocalyptic number.

22352162642 is a deficient number, since it is larger than the sum of its proper divisors (11176081324).

22352162642 is a wasteful number, since it uses less digits than its factorization.

22352162642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11176081323.

The product of its digits is 69120, while the sum is 35.

Adding to 22352162642 its reverse (24626125322), we get a palindrome (46978287964).

The spelling of 22352162642 in words is "twenty-two billion, three hundred fifty-two million, one hundred sixty-two thousand, six hundred forty-two".