42442190 has 32 divisors (see below), whose sum is σ = 87727104. Its totient is φ = 14482080.

The previous prime is 42442187. The next prime is 42442201. The reversal of 42442190 is 9124424.

It is a super-2 number, since 2×42442190² = 3602678983992200, 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 15 ways as a sum of consecutive naturals, for example, 14555 + ... + 17225.

It is an arithmetic number, because the mean of its divisors is an integer number (2741472).

Almost surely, 2^42442190 is an apocalyptic number.

42442190 is an abundant number, since it is smaller than the sum of its proper divisors (45284914).

42442190 is a wasteful number, since it uses less digits than its factorization.

42442190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912.

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

The square root of 42442190 is about 6514.7670718146. The cubic root of 42442190 is about 348.8183004507.

The spelling of 42442190 in words is "forty-two million, four hundred forty-two thousand, one hundred ninety".