22551242051 has 16 divisors (see below), whose sum is σ = 25083206400. Its totient is φ = 20133912960.

The previous prime is 22551242039. The next prime is 22551242059. The reversal of 22551242051 is 15024215522.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22551242051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22551242059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764525 + ... + 793473.

It is an arithmetic number, because the mean of its divisors is an integer number (1567700400).

Almost surely, 2^22551242051 is an apocalyptic number.

22551242051 is a deficient number, since it is larger than the sum of its proper divisors (2531964349).

22551242051 is a wasteful number, since it uses less digits than its factorization.

22551242051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30926.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 22551242051 its reverse (15024215522), we get a palindrome (37575457573).

The spelling of 22551242051 in words is "twenty-two billion, five hundred fifty-one million, two hundred forty-two thousand, fifty-one".