22047799451328 has 224 divisors, whose sum is σ = 74178995558400. Its totient is φ = 6290607495168.

The previous prime is 22047799451299. The next prime is 22047799451357. The reversal of 22047799451328 is 82315499774022.

22047799451328 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 7 + 7 + 9 + 94 + 513 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (22047799451299) and next prime (22047799451357).

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×22047799451328² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7429476 + ... + 9964572.

Almost surely, 2^{22047799451328} is an apocalyptic number.

22047799451328 is a gapful number since it is divisible by the number (28) 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 22047799451328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37089497779200).

22047799451328 is an abundant number, since it is smaller than the sum of its proper divisors (52131196107072).

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

22047799451328 is a wasteful number, since it uses less digits than its factorization.

22047799451328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535844 (or 2535828 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 22047799451328 in words is "twenty-two trillion, forty-seven billion, seven hundred ninety-nine million, four hundred fifty-one thousand, three hundred twenty-eight".