99621202 has 8 divisors (see below), whose sum is σ = 151479036. Its totient is φ = 49128192.

The previous prime is 99621187. The next prime is 99621209. The reversal of 99621202 is 20212699.

It can be written as a sum of positive squares in 2 ways, for example, as 99620361 + 841 = 9981^2 + 29^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (99621209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341023 + ... + 341314.

Almost surely, 2^99621202 is an apocalyptic number.

99621202 is a deficient number, since it is larger than the sum of its proper divisors (51857834).

99621202 is a wasteful number, since it uses less digits than its factorization.

99621202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682412.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 99621202 is about 9981.0421299582. The cubic root of 99621202 is about 463.5720669311.

The spelling of 99621202 in words is "ninety-nine million, six hundred twenty-one thousand, two hundred two".