22254644501232 has 320 divisors, whose sum is σ = 70549034572800. Its totient is φ = 5948476047360.

The previous prime is 22254644501197. The next prime is 22254644501233. The reversal of 22254644501232 is 23210544645222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254644501233) 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, 159222994 + ... + 159362702.

It is an arithmetic number, because the mean of its divisors is an integer number (220465733040).

Almost surely, 2^{22254644501232} is an apocalyptic number.

22254644501232 is a gapful number since it is divisible by the number (22) 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 22254644501232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35274517286400).

22254644501232 is an abundant number, since it is smaller than the sum of its proper divisors (48294390071568).

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

22254644501232 is a wasteful number, since it uses less digits than its factorization.

22254644501232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140776 (or 140770 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 22254644501232 in words is "twenty-two trillion, two hundred fifty-four billion, six hundred forty-four million, five hundred one thousand, two hundred thirty-two".