22551470455 has 8 divisors (see below), whose sum is σ = 27301249872. Its totient is φ = 17881519488.

The previous prime is 22551470449. The next prime is 22551470483. The reversal of 22551470455 is 55407415522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22551470455 - 2⁹ = 22551469943 is a prime.

It is a super-3 number, since 3×22551470455³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19956489 + ... + 19957618.

It is an arithmetic number, because the mean of its divisors is an integer number (3412656234).

Almost surely, 2^22551470455 is an apocalyptic number.

22551470455 is a deficient number, since it is larger than the sum of its proper divisors (4749779417).

22551470455 is a wasteful number, since it uses less digits than its factorization.

22551470455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39914225.

The product of its (nonzero) digits is 280000, while the sum is 40.

Adding to 22551470455 its reverse (55407415522), we get a palindrome (77958885977).

The spelling of 22551470455 in words is "twenty-two billion, five hundred fifty-one million, four hundred seventy thousand, four hundred fifty-five".