90909322 has 8 divisors (see below), whose sum is σ = 155844576. Its totient is φ = 38961132.

The previous prime is 90909311. The next prime is 90909331. The reversal of 90909322 is 22390909.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3246748 + ... + 3246775.

It is an arithmetic number, because the mean of its divisors is an integer number (19480572).

Almost surely, 2^90909322 is an apocalyptic number.

90909322 is a deficient number, since it is larger than the sum of its proper divisors (64935254).

90909322 is a wasteful number, since it uses less digits than its factorization.

90909322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493532.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 90909322 is about 9534.6380109577. The cubic root of 90909322 is about 449.6446940209.

The spelling of 90909322 in words is "ninety million, nine hundred nine thousand, three hundred twenty-two".