22404442190 has 16 divisors (see below), whose sum is σ = 43430149728. Its totient is φ = 8272409376.

The previous prime is 22404442187. The next prime is 22404442223. The reversal of 22404442190 is 9124440422.

It is a super-2 number, since 2×22404442190² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 86170802 + ... + 86171061.

It is an arithmetic number, because the mean of its divisors is an integer number (2714384358).

Almost surely, 2^22404442190 is an apocalyptic number.

22404442190 is a deficient number, since it is larger than the sum of its proper divisors (21025707538).

22404442190 is a wasteful number, since it uses less digits than its factorization.

22404442190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172341883.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 22404442190 in words is "twenty-two billion, four hundred four million, four hundred forty-two thousand, one hundred ninety".