99442252 has 24 divisors (see below), whose sum is σ = 214184096. Its totient is φ = 39339648.

The previous prime is 99442249. The next prime is 99442253. The reversal of 99442252 is 25224499.

It is a super-2 number, since 2×99442252² = 19777522965663008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99442253) 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, 136233 + ... + 136960.

Almost surely, 2^99442252 is an apocalyptic number.

It is an amenable number.

99442252 is an abundant number, since it is smaller than the sum of its proper divisors (114741844).

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

99442252 is a wasteful number, since it uses less digits than its factorization.

99442252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273217 (or 273215 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 99442252 is about 9972.0736058254. The cubic root of 99442252 is about 463.2943283879.

The spelling of 99442252 in words is "ninety-nine million, four hundred forty-two thousand, two hundred fifty-two".