22227256715 has 4 divisors (see below), whose sum is σ = 26672708064. Its totient is φ = 17781805368.

The previous prime is 22227256703. The next prime is 22227256717. The reversal of 22227256715 is 51765272222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22227256715 - 2¹⁰ = 22227255691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22227256717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222725667 + ... + 2222725676.

It is an arithmetic number, because the mean of its divisors is an integer number (6668177016).

Almost surely, 2^22227256715 is an apocalyptic number.

22227256715 is a deficient number, since it is larger than the sum of its proper divisors (4445451349).

22227256715 is an equidigital number, since it uses as much as digits as its factorization.

22227256715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445451348.

The product of its digits is 235200, while the sum is 41.

The spelling of 22227256715 in words is "twenty-two billion, two hundred twenty-seven million, two hundred fifty-six thousand, seven hundred fifteen".