99219552 has 24 divisors (see below), whose sum is σ = 260451576. Its totient is φ = 33073152.

The previous prime is 99219509. The next prime is 99219553. The reversal of 99219552 is 25591299.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99219553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516673 + ... + 516864.

It is an arithmetic number, because the mean of its divisors is an integer number (10852149).

Almost surely, 2^99219552 is an apocalyptic number.

It is an amenable number.

99219552 is an abundant number, since it is smaller than the sum of its proper divisors (161232024).

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

99219552 is a wasteful number, since it uses less digits than its factorization.

99219552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033550 (or 1033542 counting only the distinct ones).

The product of its digits is 72900, while the sum is 42.

The square root of 99219552 is about 9960.9011640514. The cubic root of 99219552 is about 462.9482221097.

The spelling of 99219552 in words is "ninety-nine million, two hundred nineteen thousand, five hundred fifty-two".