90226131 has 8 divisors (see below), whose sum is σ = 120398784. Its totient is φ = 60102120.

The previous prime is 90226111. The next prime is 90226139. The reversal of 90226131 is 13162209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90226131 - 2¹⁸ = 89963987 is a prime.

It is a super-2 number, since 2×90226131² = 16281509430458322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90226139) 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, 7585 + ... + 15426.

It is an arithmetic number, because the mean of its divisors is an integer number (15049848).

Almost surely, 2^90226131 is an apocalyptic number.

90226131 is a deficient number, since it is larger than the sum of its proper divisors (30172653).

90226131 is a wasteful number, since it uses less digits than its factorization.

90226131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24321.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 90226131 is about 9498.7436537681. The cubic root of 90226131 is about 448.5154883548.

The spelling of 90226131 in words is "ninety million, two hundred twenty-six thousand, one hundred thirty-one".