90576422 has 4 divisors (see below), whose sum is σ = 135864636. Its totient is φ = 45288210.

The previous prime is 90576403. The next prime is 90576427. The reversal of 90576422 is 22467509.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90576427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22644104 + ... + 22644107.

It is an arithmetic number, because the mean of its divisors is an integer number (33966159).

Almost surely, 2^90576422 is an apocalyptic number.

90576422 is a deficient number, since it is larger than the sum of its proper divisors (45288214).

90576422 is a wasteful number, since it uses less digits than its factorization.

90576422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45288213.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 90576422 is about 9517.1645987657. The cubic root of 90576422 is about 449.0951728054.

The spelling of 90576422 in words is "ninety million, five hundred seventy-six thousand, four hundred twenty-two".