99202472 has 8 divisors (see below), whose sum is σ = 186004650. Its totient is φ = 49601232.

The previous prime is 99202471. The next prime is 99202483. The reversal of 99202472 is 27420299.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 75446596 + 23755876 = 8686^2 + 4874^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×99202472² = 19682260901821568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99202471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200147 + ... + 6200162.

Almost surely, 2^99202472 is an apocalyptic number.

It is an amenable number.

99202472 is a deficient number, since it is larger than the sum of its proper divisors (86802178).

99202472 is a wasteful number, since it uses less digits than its factorization.

99202472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12400315 (or 12400311 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 99202472 is about 9960.0437750042. The cubic root of 99202472 is about 462.9216560776.

The spelling of 99202472 in words is "ninety-nine million, two hundred two thousand, four hundred seventy-two".