22784535460 has 48 divisors (see below), whose sum is σ = 48510388080. Its totient is φ = 8988262400.

The previous prime is 22784535451. The next prime is 22784535523. The reversal of 22784535460 is 6453548722.

It can be written as a sum of positive squares in 8 ways, for example, as 12303690084 + 10480845376 = 110922^2 + 102376^2 .

It is a super-2 number, since 2×22784535460² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22784535460.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497196 + ... + 541084.

It is an arithmetic number, because the mean of its divisors is an integer number (1010633085).

Almost surely, 2^22784535460 is an apocalyptic number.

22784535460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22784535460 is an abundant number, since it is smaller than the sum of its proper divisors (25725852620).

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

22784535460 is a wasteful number, since it uses less digits than its factorization.

22784535460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44256 (or 44254 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 22784535460 in words is "twenty-two billion, seven hundred eighty-four million, five hundred thirty-five thousand, four hundred sixty".