22247970225 has 24 divisors (see below), whose sum is σ = 39612797952. Its totient is φ = 10952846400.

The previous prime is 22247970197. The next prime is 22247970253. The reversal of 22247970225 is 52207974222.

It is an interprime number because it is at equal distance from previous prime (22247970197) and next prime (22247970253).

It is not a de Polignac number, because 22247970225 - 2¹⁰ = 22247969201 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11408241 + ... + 11410190.

It is an arithmetic number, because the mean of its divisors is an integer number (1650533248).

Almost surely, 2^22247970225 is an apocalyptic number.

22247970225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22247970225 is a deficient number, since it is larger than the sum of its proper divisors (17364827727).

22247970225 is a wasteful number, since it uses less digits than its factorization.

22247970225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22818457 (or 22818452 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 22247970225 in words is "twenty-two billion, two hundred forty-seven million, nine hundred seventy thousand, two hundred twenty-five".