18222906583728 has 320 divisors, whose sum is σ = 68645568307200. Its totient is φ = 4484105360640.

The previous prime is 18222906583573. The next prime is 18222906583741. The reversal of 18222906583728 is 82738560922281.

It is a happy number.

18222906583728 is a `hidden beast` number, since 1 + 8 + 2 + 2 + 29 + 0 + 6 + 583 + 7 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13784476 + ... + 15048507.

It is an arithmetic number, because the mean of its divisors is an integer number (214517400960).

Almost surely, 2^{18222906583728} is an apocalyptic number.

18222906583728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18222906583728 is an abundant number, since it is smaller than the sum of its proper divisors (50422661723472).

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

18222906583728 is a wasteful number, since it uses less digits than its factorization.

18222906583728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28833037 (or 28833025 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 18222906583728 in words is "eighteen trillion, two hundred twenty-two billion, nine hundred six million, five hundred eighty-three thousand, seven hundred twenty-eight".