22222222190 has 32 divisors (see below), whose sum is σ = 46158128640. Its totient is φ = 7545073824.

The previous prime is 22222222189. The next prime is 22222222223. The reversal of 22222222190 is 9122222222.

It is a super-2 number, since 2×22222222190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533860 + ... + 1548279.

It is an arithmetic number, because the mean of its divisors is an integer number (1442441520).

Almost surely, 2^22222222190 is an apocalyptic number.

22222222190 is an abundant number, since it is smaller than the sum of its proper divisors (23935906450).

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

22222222190 is a wasteful number, since it uses less digits than its factorization.

22222222190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082256.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 22222222190 in words is "twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred ninety".