99228238 has 8 divisors (see below), whose sum is σ = 150159888. Its totient is φ = 49174944.

The previous prime is 99228229. The next prime is 99228247. The reversal of 99228238 is 83282299.

It is an interprime number because it is at equal distance from previous prime (99228229) and next prime (99228247).

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

It is a junction number, because it is equal to n+sod(n) for n = 99228194 and 99228203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219306 + ... + 219757.

It is an arithmetic number, because the mean of its divisors is an integer number (18769986).

Almost surely, 2^99228238 is an apocalyptic number.

99228238 is a deficient number, since it is larger than the sum of its proper divisors (50931650).

99228238 is a wasteful number, since it uses less digits than its factorization.

99228238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439178.

The product of its digits is 124416, while the sum is 43.

The square root of 99228238 is about 9961.3371592372. The cubic root of 99228238 is about 462.9617310430.

The spelling of 99228238 in words is "ninety-nine million, two hundred twenty-eight thousand, two hundred thirty-eight".