22851379121784 has 16 divisors (see below), whose sum is σ = 57128447804520. Its totient is φ = 7617126373920.

The previous prime is 22851379121777. The next prime is 22851379121789. The reversal of 22851379121784 is 48712197315822.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22851379121789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476070398347 + ... + 476070398394.

Almost surely, 2^{22851379121784} is an apocalyptic number.

22851379121784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22851379121784 is an abundant number, since it is smaller than the sum of its proper divisors (34277068682736).

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

22851379121784 is a wasteful number, since it uses less digits than its factorization.

22851379121784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952140796750 (or 952140796746 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 60.

The spelling of 22851379121784 in words is "twenty-two trillion, eight hundred fifty-one billion, three hundred seventy-nine million, one hundred twenty-one thousand, seven hundred eighty-four".