90013822 has 32 divisors (see below), whose sum is σ = 144050400. Its totient is φ = 42127488.

The previous prime is 90013817. The next prime is 90013823. The reversal of 90013822 is 22831009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90013823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231204 + ... + 231592.

It is an arithmetic number, because the mean of its divisors is an integer number (4501575).

Almost surely, 2^90013822 is an apocalyptic number.

90013822 is a deficient number, since it is larger than the sum of its proper divisors (54036578).

90013822 is a wasteful number, since it uses less digits than its factorization.

90013822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 90013822 is about 9487.5614359012. The cubic root of 90013822 is about 448.1634149541.

The spelling of 90013822 in words is "ninety million, thirteen thousand, eight hundred twenty-two".