99726228000 has 576 divisors, whose sum is σ = 419499295488. Its totient is φ = 22793011200.

The previous prime is 99726227989. The next prime is 99726228001. The reversal of 99726228000 is 82262799.

It is a super-2 number, since 2×99726228000² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (99726228001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6796672 + ... + 6811328.

It is an arithmetic number, because the mean of its divisors is an integer number (728297388).

Almost surely, 2^99726228000 is an apocalyptic number.

99726228000 is a gapful number since it is divisible by the number (90) 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 99726228000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209749647744).

99726228000 is an abundant number, since it is smaller than the sum of its proper divisors (319773067488).

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

99726228000 is a wasteful number, since it uses less digits than its factorization.

99726228000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14704 (or 14674 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 99726228000 in words is "ninety-nine billion, seven hundred twenty-six million, two hundred twenty-eight thousand".