22189310 has 64 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 7294080.

The previous prime is 22189309. The next prime is 22189327. The reversal of 22189310 is 1398122.

It is a super-2 number, since 2×22189310² = 984730956552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 22189310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84239 + ... + 84501.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^22189310 is an apocalyptic number.

22189310 is an abundant number, since it is smaller than the sum of its proper divisors (25710850).

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

22189310 is a wasteful number, since it uses less digits than its factorization.

22189310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 22189310 is about 4710.5530460871. The cubic root of 22189310 is about 281.0053569729.

The spelling of 22189310 in words is "twenty-two million, one hundred eighty-nine thousand, three hundred ten".