99222064 has 40 divisors (see below), whose sum is σ = 204428880. Its totient is φ = 46491648.

The previous prime is 99222059. The next prime is 99222077. The reversal of 99222064 is 46022299.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76332 + ... + 77620.

It is an arithmetic number, because the mean of its divisors is an integer number (5110722).

Almost surely, 2^99222064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99222064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102214440).

99222064 is an abundant number, since it is smaller than the sum of its proper divisors (105206816).

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

99222064 is a wasteful number, since it uses less digits than its factorization.

99222064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 99222064 is about 9961.0272562623. The cubic root of 99222064 is about 462.9521289879.

The spelling of 99222064 in words is "ninety-nine million, two hundred twenty-two thousand, sixty-four".