22403238394752 has 512 divisors, whose sum is σ = 70063963200000. Its totient is φ = 7035259650048.

The previous prime is 22403238394751. The next prime is 22403238394847. The reversal of 22403238394752 is 25749383230422.

22403238394752 is a `hidden beast` number, since 2 + 2 + 403 + 2 + 3 + 83 + 94 + 75 + 2 = 666.

It is a super-2 number, since 2×22403238394752² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22403238394751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5425824624 + ... + 5425828752.

It is an arithmetic number, because the mean of its divisors is an integer number (136843678125).

Almost surely, 2^{22403238394752} 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 22403238394752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35031981600000).

22403238394752 is an abundant number, since it is smaller than the sum of its proper divisors (47660724805248).

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

22403238394752 is a wasteful number, since it uses less digits than its factorization.

22403238394752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483 (or 5465 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 54.

The spelling of 22403238394752 in words is "twenty-two trillion, four hundred three billion, two hundred thirty-eight million, three hundred ninety-four thousand, seven hundred fifty-two".