90229032 has 32 divisors (see below), whose sum is σ = 250636800. Its totient is φ = 30076272.

The previous prime is 90229021. The next prime is 90229033. The reversal of 90229032 is 23092209.

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

It is a junction number, because it is equal to n+sod(n) for n = 90228987 and 90229005.

It is not an unprimeable number, because it can be changed into a prime (90229033) 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, 208648 + ... + 209079.

It is an arithmetic number, because the mean of its divisors is an integer number (7832400).

Almost surely, 2^90229032 is an apocalyptic number.

It is an amenable number.

90229032 is an abundant number, since it is smaller than the sum of its proper divisors (160407768).

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

90229032 is a wasteful number, since it uses less digits than its factorization.

90229032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417742 (or 417732 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 90229032 is about 9498.8963569459. The cubic root of 90229032 is about 448.5202952752.

The spelling of 90229032 in words is "ninety million, two hundred twenty-nine thousand, thirty-two".