22492358280 has 288 divisors, whose sum is σ = 86308597440. Its totient is φ = 5064111360.

The previous prime is 22492358263. The next prime is 22492358293. The reversal of 22492358280 is 8285329422.

22492358280 is a `hidden beast` number, since 2 + 2 + 49 + 23 + 582 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1172365 + ... + 1191395.

It is an arithmetic number, because the mean of its divisors is an integer number (299682630).

Almost surely, 2^22492358280 is an apocalyptic number.

22492358280 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 22492358280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43154298720).

22492358280 is an abundant number, since it is smaller than the sum of its proper divisors (63816239160).

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

22492358280 is a wasteful number, since it uses less digits than its factorization.

22492358280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19129 (or 19115 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 22492358280 in words is "twenty-two billion, four hundred ninety-two million, three hundred fifty-eight thousand, two hundred eighty".