22027009251 has 8 divisors (see below), whose sum is σ = 31628526160. Its totient is φ = 13555082592.

The previous prime is 22027009243. The next prime is 22027009261. The reversal of 22027009251 is 15290072022.

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

It is not a de Polignac number, because 22027009251 - 2³ = 22027009243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22027009211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282397516 + ... + 282397593.

It is an arithmetic number, because the mean of its divisors is an integer number (3953565770).

Almost surely, 2^22027009251 is an apocalyptic number.

22027009251 is a deficient number, since it is larger than the sum of its proper divisors (9601516909).

22027009251 is a wasteful number, since it uses less digits than its factorization.

22027009251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564795125.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 22027009251 in words is "twenty-two billion, twenty-seven million, nine thousand, two hundred fifty-one".