9902224400 has 30 divisors (see below), whose sum is σ = 23790095082. Its totient is φ = 3960889600.

The previous prime is 9902224391. The next prime is 9902224421. The reversal of 9902224400 is 44222099.

It can be written as a sum of positive squares in 3 ways, for example, as 1243549696 + 8658674704 = 35264^2 + 93052^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12377381 + ... + 12378180.

Almost surely, 2^9902224400 is an apocalyptic number.

It is an amenable number.

9902224400 is an abundant number, since it is smaller than the sum of its proper divisors (13887870682).

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

9902224400 is a wasteful number, since it uses less digits than its factorization.

9902224400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24755579 (or 24755568 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 9902224400 is about 99509.9211134247. The cubic root of 9902224400 is about 2147.3899750420.

Adding to 9902224400 its reverse (44222099), we get a palindrome (9946446499).

The spelling of 9902224400 in words is "nine billion, nine hundred two million, two hundred twenty-four thousand, four hundred".