99982251 has 12 divisors (see below), whose sum is σ = 148322512. Its totient is φ = 64853136.

The previous prime is 99982249. The next prime is 99982261. The reversal of 99982251 is 15228999.

It is not a de Polignac number, because 99982251 - 2¹ = 99982249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99982197 and 99982206.

It is not an unprimeable number, because it can be changed into a prime (99982241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149791 + ... + 150456.

Almost surely, 2^99982251 is an apocalyptic number.

99982251 is a deficient number, since it is larger than the sum of its proper divisors (48340261).

99982251 is a wasteful number, since it uses less digits than its factorization.

99982251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300290 (or 300287 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 99982251 is about 9999.1125106181. The cubic root of 99982251 is about 464.1314205497.

The spelling of 99982251 in words is "ninety-nine million, nine hundred eighty-two thousand, two hundred fifty-one".