22373644637322 has 256 divisors, whose sum is σ = 56029399695360. Its totient is φ = 6558359270400.

The previous prime is 22373644637287. The next prime is 22373644637327.

22373644637322 is a `hidden beast` number, since 2 + 2 + 37 + 3 + 64 + 463 + 73 + 22 = 666.

22373644637322 is nontrivially palindromic in base 10.

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

It is not an unprimeable number, because it can be changed into a prime (22373644637327) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2718212947 + ... + 2718221177.

It is an arithmetic number, because the mean of its divisors is an integer number (218864842560).

Almost surely, 2^{22373644637322} is an apocalyptic number.

22373644637322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22373644637322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28014699847680).

22373644637322 is an abundant number, since it is smaller than the sum of its proper divisors (33655755058038).

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

22373644637322 is a wasteful number, since it uses less digits than its factorization.

22373644637322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994 (or 8988 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 54.

The spelling of 22373644637322 in words is "twenty-two trillion, three hundred seventy-three billion, six hundred forty-four million, six hundred thirty-seven thousand, three hundred twenty-two".