22249476480 has 256 divisors, whose sum is σ = 88420584960. Its totient is φ = 4623237120.

The previous prime is 22249476467. The next prime is 22249476481. The reversal of 22249476480 is 8467494222.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22249476481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72592 + ... + 223088.

It is an arithmetic number, because the mean of its divisors is an integer number (345392910).

Almost surely, 2^22249476480 is an apocalyptic number.

22249476480 is a gapful number since it is divisible by the number (20) 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 22249476480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44210292480).

22249476480 is an abundant number, since it is smaller than the sum of its proper divisors (66171108480).

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

22249476480 is a wasteful number, since it uses less digits than its factorization.

22249476480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150537 (or 150525 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 22249476480 in words is "twenty-two billion, two hundred forty-nine million, four hundred seventy-six thousand, four hundred eighty".