99223572 has 48 divisors (see below), whose sum is σ = 267048320. Its totient is φ = 28086912.

The previous prime is 99223559. The next prime is 99223573. The reversal of 99223572 is 27532299.

It is a self number, because there is not a number n which added to its sum of digits gives 99223572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99223573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3738 + ... + 14574.

Almost surely, 2^99223572 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 99223572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133524160).

99223572 is an abundant number, since it is smaller than the sum of its proper divisors (167824748).

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

99223572 is a wasteful number, since it uses less digits than its factorization.

99223572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10960 (or 10958 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 99223572 is about 9961.1029509789. The cubic root of 99223572 is about 462.9544743274.

The spelling of 99223572 in words is "ninety-nine million, two hundred twenty-three thousand, five hundred seventy-two".