22156723984248 has 256 divisors, whose sum is σ = 74070208512000. Its totient is φ = 5994930621312.

The previous prime is 22156723984189. The next prime is 22156723984253. The reversal of 22156723984248 is 84248932765122.

22156723984248 is a `hidden beast` number, since 2 + 2 + 1 + 56 + 72 + 3 + 98 + 424 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72903661 + ... + 73206947.

It is an arithmetic number, because the mean of its divisors is an integer number (289336752000).

Almost surely, 2^{22156723984248} is an apocalyptic number.

22156723984248 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 22156723984248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37035104256000).

22156723984248 is an abundant number, since it is smaller than the sum of its proper divisors (51913484527752).

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

22156723984248 is a wasteful number, since it uses less digits than its factorization.

22156723984248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305871 (or 305861 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 22156723984248 in words is "twenty-two trillion, one hundred fifty-six billion, seven hundred twenty-three million, nine hundred eighty-four thousand, two hundred forty-eight".