22222369309728 has 96 divisors (see below), whose sum is σ = 67924977998976. Its totient is φ = 6229451225088.

The previous prime is 22222369309717. The next prime is 22222369309841. The reversal of 22222369309728 is 82790396322222.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×22222369309728³ (a number of 41 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311936101 + ... + 312007332.

It is an arithmetic number, because the mean of its divisors is an integer number (707551854156).

Almost surely, 2^{22222369309728} is an apocalyptic number.

22222369309728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22222369309728 is an abundant number, since it is smaller than the sum of its proper divisors (45702608689248).

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

22222369309728 is a wasteful number, since it uses less digits than its factorization.

22222369309728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623943506 (or 623943498 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 57.

The spelling of 22222369309728 in words is "twenty-two trillion, two hundred twenty-two billion, three hundred sixty-nine million, three hundred nine thousand, seven hundred twenty-eight".