2292090138 has 24 divisors (see below), whose sum is σ = 5348210868. Its totient is φ = 705258432.

The previous prime is 2292090131. The next prime is 2292090149. The reversal of 2292090138 is 8310902922.

It can be written as a sum of positive squares in 2 ways, for example, as 1908204489 + 383885649 = 43683^2 + 19593^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2292090131) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4897395 + ... + 4897862.

Almost surely, 2^2292090138 is an apocalyptic number.

2292090138 is an abundant number, since it is smaller than the sum of its proper divisors (3056120730).

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

2292090138 is a wasteful number, since it uses less digits than its factorization.

2292090138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9795278 (or 9795275 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2292090138 is about 47875.7781973306. The cubic root of 2292090138 is about 1318.4911858001.

The spelling of 2292090138 in words is "two billion, two hundred ninety-two million, ninety thousand, one hundred thirty-eight".