2221892737344 has 168 divisors, whose sum is σ = 7397781991808. Its totient is φ = 624419435520.

The previous prime is 2221892737327. The next prime is 2221892737429. The reversal of 2221892737344 is 4437372981222.

It is a happy number.

2221892737344 is a `hidden beast` number, since 2 + 2 + 21 + 8 + 9 + 273 + 7 + 344 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4270972 + ... + 4762875.

Almost surely, 2^{2221892737344} is an apocalyptic number.

2221892737344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2221892737344 is an abundant number, since it is smaller than the sum of its proper divisors (5175889254464).

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

2221892737344 is a wasteful number, since it uses less digits than its factorization.

2221892737344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9033933 (or 9033920 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 2221892737344 in words is "two trillion, two hundred twenty-one billion, eight hundred ninety-two million, seven hundred thirty-seven thousand, three hundred forty-four".