90415822 has 16 divisors (see below), whose sum is σ = 155121120. Its totient is φ = 38719008.

The previous prime is 90415817. The next prime is 90415859. The reversal of 90415822 is 22851409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30928 + ... + 33724.

It is an arithmetic number, because the mean of its divisors is an integer number (9695070).

Almost surely, 2^90415822 is an apocalyptic number.

90415822 is a deficient number, since it is larger than the sum of its proper divisors (64705298).

90415822 is a wasteful number, since it uses less digits than its factorization.

90415822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 90415822 is about 9508.7234684788. The cubic root of 90415822 is about 448.8295872994.

The spelling of 90415822 in words is "ninety million, four hundred fifteen thousand, eight hundred twenty-two".