90881226 has 24 divisors (see below), whose sum is σ = 198825120. Its totient is φ = 29999016.

The previous prime is 90881173. The next prime is 90881227. The reversal of 90881226 is 62218809.

It is not an unprimeable number, because it can be changed into a prime (90881227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22656 + ... + 26363.

It is an arithmetic number, because the mean of its divisors is an integer number (8284380).

Almost surely, 2^90881226 is an apocalyptic number.

90881226 is an abundant number, since it is smaller than the sum of its proper divisors (107943894).

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

90881226 is a wasteful number, since it uses less digits than its factorization.

90881226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49130 (or 49127 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 90881226 is about 9533.1645323051. The cubic root of 90881226 is about 449.5983675690.

The spelling of 90881226 in words is "ninety million, eight hundred eighty-one thousand, two hundred twenty-six".