10222218251 has 12 divisors (see below), whose sum is σ = 12054048552. Its totient is φ = 8641872288.

The previous prime is 10222218229. The next prime is 10222218257. The reversal of 10222218251 is 15281222201.

It is not a de Polignac number, because 10222218251 - 2²² = 10218023947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10222218251.

It is not an unprimeable number, because it can be changed into a prime (10222218257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1425305 + ... + 1432458.

It is an arithmetic number, because the mean of its divisors is an integer number (1004504046).

Almost surely, 2^10222218251 is an apocalyptic number.

10222218251 is a deficient number, since it is larger than the sum of its proper divisors (1831830301).

10222218251 is an equidigital number, since it uses as much as digits as its factorization.

10222218251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857850 (or 2857843 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The spelling of 10222218251 in words is "ten billion, two hundred twenty-two million, two hundred eighteen thousand, two hundred fifty-one".