2243573722456 has 32 divisors (see below), whose sum is σ = 4629739842000. Its totient is φ = 1010781399040.

The previous prime is 2243573722391. The next prime is 2243573722471. The reversal of 2243573722456 is 6542273753422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112800481 + ... + 112820368.

Almost surely, 2^{2243573722456} is an apocalyptic number.

It is an amenable number.

2243573722456 is an abundant number, since it is smaller than the sum of its proper divisors (2386166119544).

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

2243573722456 is a wasteful number, since it uses less digits than its factorization.

2243573722456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225620979 (or 225620975 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 52.

The spelling of 2243573722456 in words is "two trillion, two hundred forty-three billion, five hundred seventy-three million, seven hundred twenty-two thousand, four hundred fifty-six".