90822575 has 6 divisors (see below), whose sum is σ = 112620024. Its totient is φ = 72658040.

The previous prime is 90822559. The next prime is 90822581. The reversal of 90822575 is 57522809.

It is not a de Polignac number, because 90822575 - 2⁴ = 90822559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1816427 + ... + 1816476.

It is an arithmetic number, because the mean of its divisors is an integer number (18770004).

Almost surely, 2^90822575 is an apocalyptic number.

90822575 is a deficient number, since it is larger than the sum of its proper divisors (21797449).

90822575 is a wasteful number, since it uses less digits than its factorization.

90822575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632913 (or 3632908 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 90822575 is about 9530.0878799726. The cubic root of 90822575 is about 449.5016293330.

The spelling of 90822575 in words is "ninety million, eight hundred twenty-two thousand, five hundred seventy-five".