99212338 has 16 divisors (see below), whose sum is σ = 161706240. Its totient is φ = 45478800.

The previous prime is 99212303. The next prime is 99212339. The reversal of 99212338 is 83321299.

It is a super-2 number, since 2×99212338² = 19686176022852488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99212297 and 99212306.

It is not an unprimeable number, because it can be changed into a prime (99212339) 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, 40933 + ... + 43288.

It is an arithmetic number, because the mean of its divisors is an integer number (10106640).

Almost surely, 2^99212338 is an apocalyptic number.

99212338 is a deficient number, since it is larger than the sum of its proper divisors (62493902).

99212338 is a wasteful number, since it uses less digits than its factorization.

99212338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84273.

The product of its digits is 23328, while the sum is 37.

The square root of 99212338 is about 9960.5390416383. The cubic root of 99212338 is about 462.9370019105.

The spelling of 99212338 in words is "ninety-nine million, two hundred twelve thousand, three hundred thirty-eight".