222825844994640 has 40 divisors (see below), whose sum is σ = 690760119484128. Its totient is φ = 59420225331840.

The previous prime is 222825844994609. The next prime is 222825844994663. The reversal of 222825844994640 is 46499448528222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 464220510166 + ... + 464220510645.

Almost surely, 2^{222825844994640} is an apocalyptic number.

222825844994640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222825844994640 is an abundant number, since it is smaller than the sum of its proper divisors (467934274489488).

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

222825844994640 is a wasteful number, since it uses less digits than its factorization.

222825844994640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928441020827 (or 928441020821 counting only the distinct ones).

The product of its (nonzero) digits is 637009920, while the sum is 69.

The spelling of 222825844994640 in words is "two hundred twenty-two trillion, eight hundred twenty-five billion, eight hundred forty-four million, nine hundred ninety-four thousand, six hundred forty".