22979392200 has 252 divisors, whose sum is σ = 80306267715. Its totient is φ = 6112402560.

The previous prime is 22979392193. The next prime is 22979392213. The reversal of 22979392200 is 229397922.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 12218649444 + 10760742756 = 110538^2 + 103734^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=107190.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 57882402 + ... + 57882798.

Almost surely, 2^22979392200 is an apocalyptic number.

22979392200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22979392200

22979392200 is an abundant number, since it is smaller than the sum of its proper divisors (57326875515).

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

22979392200 is an frugal number, since it uses more digits than its factorization.

22979392200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 22979392200 in words is "twenty-two billion, nine hundred seventy-nine million, three hundred ninety-two thousand, two hundred".