22551470456 has 8 divisors (see below), whose sum is σ = 42284007120. Its totient is φ = 11275735224.

The previous prime is 22551470449. The next prime is 22551470483. The reversal of 22551470456 is 65407415522.

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, 1409466896 + ... + 1409466911.

It is an arithmetic number, because the mean of its divisors is an integer number (5285500890).

Almost surely, 2^22551470456 is an apocalyptic number.

It is an amenable number.

22551470456 is a deficient number, since it is larger than the sum of its proper divisors (19732536664).

22551470456 is a wasteful number, since it uses less digits than its factorization.

22551470456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818933813 (or 2818933809 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 41.

Adding to 22551470456 its reverse (65407415522), we get a palindrome (87958885978).

The spelling of 22551470456 in words is "twenty-two billion, five hundred fifty-one million, four hundred seventy thousand, four hundred fifty-six".