90522022 has 4 divisors (see below), whose sum is σ = 135783036. Its totient is φ = 45261010.

The previous prime is 90522007. The next prime is 90522031. The reversal of 90522022 is 22022509.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 90521984 and 90522002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22630504 + ... + 22630507.

It is an arithmetic number, because the mean of its divisors is an integer number (33945759).

Almost surely, 2^90522022 is an apocalyptic number.

90522022 is a deficient number, since it is larger than the sum of its proper divisors (45261014).

90522022 is a wasteful number, since it uses less digits than its factorization.

90522022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45261013.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 90522022 is about 9514.3061754392. The cubic root of 90522022 is about 449.0052462751.

The spelling of 90522022 in words is "ninety million, five hundred twenty-two thousand, twenty-two".