42270190 has 16 divisors (see below), whose sum is σ = 76250160. Its totient is φ = 16871680.

The previous prime is 42270181. The next prime is 42270199. The reversal of 42270190 is 9107224.

It is an interprime number because it is at equal distance from previous prime (42270181) and next prime (42270199).

It is a super-2 number, since 2×42270190² = 3573537925272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42270199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606 + ... + 9214.

It is an arithmetic number, because the mean of its divisors is an integer number (4765635).

Almost surely, 2^42270190 is an apocalyptic number.

42270190 is a deficient number, since it is larger than the sum of its proper divisors (33979970).

42270190 is a wasteful number, since it uses less digits than its factorization.

42270190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 42270190 is about 6501.5528914252. The cubic root of 42270190 is about 348.3464588101.

The spelling of 42270190 in words is "forty-two million, two hundred seventy thousand, one hundred ninety".