90220112 has 10 divisors (see below), whose sum is σ = 174801498. Its totient is φ = 45110048.

The previous prime is 90220079. The next prime is 90220127. The reversal of 90220112 is 21102209.

It can be written as a sum of positive squares in only one way, i.e., 88435216 + 1784896 = 9404^2 + 1336^2 .

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, 2819363 + ... + 2819394.

Almost surely, 2^90220112 is an apocalyptic number.

It is an amenable number.

90220112 is a deficient number, since it is larger than the sum of its proper divisors (84581386).

90220112 is a wasteful number, since it uses less digits than its factorization.

90220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638765 (or 5638759 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 90220112 is about 9498.4268171103. The cubic root of 90220112 is about 448.5055146190.

The spelling of 90220112 in words is "ninety million, two hundred twenty thousand, one hundred twelve".