42422190 has 16 divisors (see below), whose sum is σ = 101813328. Its totient is φ = 11312576.

The previous prime is 42422179. The next prime is 42422203. The reversal of 42422190 is 9122424.

It is a super-2 number, since 2×42422190² = 3599284408792200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42422190.

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, 707007 + ... + 707066.

It is an arithmetic number, because the mean of its divisors is an integer number (6363333).

Almost surely, 2^42422190 is an apocalyptic number.

42422190 is an abundant number, since it is smaller than the sum of its proper divisors (59391138).

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

42422190 is a wasteful number, since it uses less digits than its factorization.

42422190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414083.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 42422190 is about 6513.2319166448. The cubic root of 42422190 is about 348.7635007171.

The spelling of 42422190 in words is "forty-two million, four hundred twenty-two thousand, one hundred ninety".