90023822 has 16 divisors (see below), whose sum is σ = 154563552. Its totient is φ = 38522400.

The previous prime is 90023803. The next prime is 90023851. The reversal of 90023822 is 22832009.

It is a junction number, because it is equal to n+sod(n) for n = 90023791 and 90023800.

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, 5228 + ... + 14400.

It is an arithmetic number, because the mean of its divisors is an integer number (9660222).

Almost surely, 2^90023822 is an apocalyptic number.

90023822 is a deficient number, since it is larger than the sum of its proper divisors (64539730).

90023822 is a wasteful number, since it uses less digits than its factorization.

90023822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9883.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 90023822 is about 9488.0884270753. The cubic root of 90023822 is about 448.1800104358.

The spelling of 90023822 in words is "ninety million, twenty-three thousand, eight hundred twenty-two".