22774493280 has 768 divisors, whose sum is σ = 94866702336. Its totient is φ = 4452433920.

The previous prime is 22774493267. The next prime is 22774493293. The reversal of 22774493280 is 8239447722.

It is an interprime number because it is at equal distance from previous prime (22774493267) and next prime (22774493293).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 62055657 + ... + 62056023.

It is an arithmetic number, because the mean of its divisors is an integer number (123524352).

Almost surely, 2^22774493280 is an apocalyptic number.

22774493280 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 22774493280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47433351168).

22774493280 is an abundant number, since it is smaller than the sum of its proper divisors (72092209056).

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

22774493280 is a wasteful number, since it uses less digits than its factorization.

22774493280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 22774493280 in words is "twenty-two billion, seven hundred seventy-four million, four hundred ninety-three thousand, two hundred eighty".