99002290 has 16 divisors (see below), whose sum is σ = 182551320. Its totient is φ = 38634880.

The previous prime is 99002279. The next prime is 99002291. The reversal of 99002290 is 9220099.

It can be written as a sum of positive squares in 4 ways, for example, as 81920601 + 17081689 = 9051^2 + 4133^2 .

It is not an unprimeable number, because it can be changed into a prime (99002291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120325 + ... + 121144.

Almost surely, 2^99002290 is an apocalyptic number.

99002290 is a deficient number, since it is larger than the sum of its proper divisors (83549030).

99002290 is a wasteful number, since it uses less digits than its factorization.

99002290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241517.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 99002290 is about 9949.9894472306. The cubic root of 99002290 is about 462.6100677894.

The spelling of 99002290 in words is "ninety-nine million, two thousand, two hundred ninety".