22455190 has 16 divisors (see below), whose sum is σ = 41280192. Its totient is φ = 8790784.

The previous prime is 22455161. The next prime is 22455217. The reversal of 22455190 is 9155422.

It is a super-2 number, since 2×22455190² = 1008471115872200, which 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23419 + ... + 24358.

It is an arithmetic number, because the mean of its divisors is an integer number (2580012).

Almost surely, 2^22455190 is an apocalyptic number.

22455190 is a deficient number, since it is larger than the sum of its proper divisors (18825002).

22455190 is a wasteful number, since it uses less digits than its factorization.

22455190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47831.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 22455190 is about 4738.6907474534. The cubic root of 22455190 is about 282.1232715592.

The spelling of 22455190 in words is "twenty-two million, four hundred fifty-five thousand, one hundred ninety".