99062209 has 9 divisors (see below), whose sum is σ = 102191817. Its totient is φ = 96026544.

The previous prime is 99062177. The next prime is 99062221. The reversal of 99062209 is 90226099.

The square root of 99062209 is 9953.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 497025 + 98565184 = 705^2 + 9928^2 .

It is not a de Polignac number, because 99062209 - 2⁵ = 99062177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (99062279) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 368127 + ... + 368395.

Almost surely, 2^99062209 is an apocalyptic number.

99062209 is the 9953-rd square number.

99062209 is the 4977-th centered octagonal number.

It is an amenable number.

99062209 is a deficient number, since it is larger than the sum of its proper divisors (3129608).

99062209 is an frugal number, since it uses more digits than its factorization.

99062209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The cubic root of 99062209 is about 462.7033772216.

The spelling of 99062209 in words is "ninety-nine million, sixty-two thousand, two hundred nine".