90229113 has 32 divisors (see below), whose sum is σ = 146428800. Its totient is φ = 54571968.

The previous prime is 90229091. The next prime is 90229123. The reversal of 90229113 is 31192209.

It is not a de Polignac number, because 90229113 - 2¹⁸ = 89966969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90229123) 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 31 ways as a sum of consecutive naturals, for example, 18531 + ... + 22887.

It is an arithmetic number, because the mean of its divisors is an integer number (4575900).

Almost surely, 2^90229113 is an apocalyptic number.

It is an amenable number.

90229113 is a deficient number, since it is larger than the sum of its proper divisors (56199687).

90229113 is a wasteful number, since it uses less digits than its factorization.

90229113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 90229113 is about 9498.9006205982. The cubic root of 90229113 is about 448.5204294896.

The spelling of 90229113 in words is "ninety million, two hundred twenty-nine thousand, one hundred thirteen".