22147766480 has 320 divisors, whose sum is σ = 64795852800. Its totient is φ = 6869422080.

The previous prime is 22147766467. The next prime is 22147766489. The reversal of 22147766480 is 8466774122.

It is a super-2 number, since 2×22147766480² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22147766489) 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, 27376316 + ... + 27377124.

It is an arithmetic number, because the mean of its divisors is an integer number (202487040).

Almost surely, 2^22147766480 is an apocalyptic number.

22147766480 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 22147766480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32397926400).

22147766480 is an abundant number, since it is smaller than the sum of its proper divisors (42648086320).

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

22147766480 is a wasteful number, since it uses less digits than its factorization.

22147766480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 22147766480 in words is "twenty-two billion, one hundred forty-seven million, seven hundred sixty-six thousand, four hundred eighty".