90331322 has 8 divisors (see below), whose sum is σ = 135666900. Its totient is φ = 45109024.

The previous prime is 90331313. The next prime is 90331333. The reversal of 90331322 is 22313309.

It can be written as a sum of positive squares in 2 ways, for example, as 87403801 + 2927521 = 9349^2 + 1711^2 .

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, 26297 + ... + 29532.

Almost surely, 2^90331322 is an apocalyptic number.

90331322 is a deficient number, since it is larger than the sum of its proper divisors (45335578).

90331322 is a wasteful number, since it uses less digits than its factorization.

90331322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56640.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 90331322 is about 9504.2791415236. The cubic root of 90331322 is about 448.6897226890.

The spelling of 90331322 in words is "ninety million, three hundred thirty-one thousand, three hundred twenty-two".