99222865 has 8 divisors (see below), whose sum is σ = 136077120. Its totient is φ = 68038512.

The previous prime is 99222859. The next prime is 99222869. The reversal of 99222865 is 56822299.

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

It is a cyclic number.

It is not a de Polignac number, because 99222865 - 2⁷ = 99222737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99222869) 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, 1417435 + ... + 1417504.

It is an arithmetic number, because the mean of its divisors is an integer number (17009640).

Almost surely, 2^99222865 is an apocalyptic number.

It is an amenable number.

99222865 is a deficient number, since it is larger than the sum of its proper divisors (36854255).

99222865 is a wasteful number, since it uses less digits than its factorization.

99222865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834951.

The product of its digits is 155520, while the sum is 43.

The square root of 99222865 is about 9961.0674628777. The cubic root of 99222865 is about 462.9533747581.

The spelling of 99222865 in words is "ninety-nine million, two hundred twenty-two thousand, eight hundred sixty-five".