22266825018 has 32 divisors (see below), whose sum is σ = 45993984000. Its totient is φ = 7179133680.

The previous prime is 22266825017. The next prime is 22266825019. The reversal of 22266825018 is 81052866222.

It is an interprime number because it is at equal distance from previous prime (22266825017) and next prime (22266825019).

It is a super-2 number, since 2×22266825018² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22266825017) 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, 341871 + ... + 401757.

It is an arithmetic number, because the mean of its divisors is an integer number (1437312000).

Almost surely, 2^22266825018 is an apocalyptic number.

22266825018 is an abundant number, since it is smaller than the sum of its proper divisors (23727158982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22266825018 is a wasteful number, since it uses less digits than its factorization.

22266825018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61922.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 22266825018 in words is "twenty-two billion, two hundred sixty-six million, eight hundred twenty-five thousand, eighteen".