22521254104 has 8 divisors (see below), whose sum is σ = 42227351460. Its totient is φ = 11260627048.

The previous prime is 22521254099. The next prime is 22521254137. The reversal of 22521254104 is 40145212522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1407578374 + ... + 1407578389.

Almost surely, 2^22521254104 is an apocalyptic number.

It is an amenable number.

22521254104 is a deficient number, since it is larger than the sum of its proper divisors (19706097356).

22521254104 is a wasteful number, since it uses less digits than its factorization.

22521254104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815156769 (or 2815156765 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 22521254104 its reverse (40145212522), we get a palindrome (62666466626).

The spelling of 22521254104 in words is "twenty-two billion, five hundred twenty-one million, two hundred fifty-four thousand, one hundred four".