90092242 has 32 divisors (see below), whose sum is σ = 145240704. Its totient is φ = 41817600.

The previous prime is 90092227. The next prime is 90092257. The reversal of 90092242 is 24229009.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90092227) and next prime (90092257).

It is a super-2 number, since 2×90092242² = 16233224137173128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90092242.

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, 272017 + ... + 272347.

It is an arithmetic number, because the mean of its divisors is an integer number (4538772).

Almost surely, 2^90092242 is an apocalyptic number.

90092242 is a deficient number, since it is larger than the sum of its proper divisors (55148462).

90092242 is a wasteful number, since it uses less digits than its factorization.

90092242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 90092242 is about 9491.6933157367. The cubic root of 90092242 is about 448.2935237643.

The spelling of 90092242 in words is "ninety million, ninety-two thousand, two hundred forty-two".