93220290 has 24 divisors (see below), whose sum is σ = 242372988. Its totient is φ = 24858720.

The previous prime is 93220247. The next prime is 93220301. The reversal of 93220290 is 9202239.

It can be written as a sum of positive squares in 2 ways, for example, as 76055841 + 17164449 = 8721^2 + 4143^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517801 + ... + 517980.

Almost surely, 2^93220290 is an apocalyptic number.

93220290 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

93220290 is an abundant number, since it is smaller than the sum of its proper divisors (149152698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93220290 is a wasteful number, since it uses less digits than its factorization.

93220290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035794 (or 1035791 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 93220290 is about 9655.0655098761. The cubic root of 93220290 is about 453.4229343990.

The spelling of 93220290 in words is "ninety-three million, two hundred twenty thousand, two hundred ninety".