2222397925644 has 48 divisors (see below), whose sum is σ = 5878407476480. Its totient is φ = 647824495680.

The previous prime is 2222397925613. The next prime is 2222397925651. The reversal of 2222397925644 is 4465297932222.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 374895472 + ... + 374901399.

Almost surely, 2^{2222397925644} is an apocalyptic number.

It is an amenable number.

2222397925644 is an abundant number, since it is smaller than the sum of its proper divisors (3656009550836).

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

2222397925644 is a wasteful number, since it uses less digits than its factorization.

2222397925644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749796910 (or 749796908 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 57.

The spelling of 2222397925644 in words is "two trillion, two hundred twenty-two billion, three hundred ninety-seven million, nine hundred twenty-five thousand, six hundred forty-four".