22390190 has 16 divisors (see below), whose sum is σ = 42673392. Its totient is φ = 8429184.

The previous prime is 22390177. The next prime is 22390211. The reversal of 22390190 is 9109322.

It is a super-2 number, since 2×22390190² = 1002641216472200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65684 + ... + 66023.

It is an arithmetic number, because the mean of its divisors is an integer number (2667087).

Almost surely, 2^22390190 is an apocalyptic number.

22390190 is a deficient number, since it is larger than the sum of its proper divisors (20283202).

22390190 is a wasteful number, since it uses less digits than its factorization.

22390190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131731.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 22390190 is about 4731.8273425813. The cubic root of 22390190 is about 281.8507920830.

The spelling of 22390190 in words is "twenty-two million, three hundred ninety thousand, one hundred ninety".