2251564223514 has 16 divisors (see below), whose sum is σ = 4624834621728. Its totient is φ = 730237045392.

The previous prime is 2251564223507. The next prime is 2251564223563. The reversal of 2251564223514 is 4153224651522.

It is a Curzon 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, 5071090372 + ... + 5071090815.

It is an arithmetic number, because the mean of its divisors is an integer number (289052163858).

Almost surely, 2^{2251564223514} is an apocalyptic number.

2251564223514 is an abundant number, since it is smaller than the sum of its proper divisors (2373270398214).

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

2251564223514 is a wasteful number, since it uses less digits than its factorization.

2251564223514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10142181229.

The product of its digits is 576000, while the sum is 42.

The spelling of 2251564223514 in words is "two trillion, two hundred fifty-one billion, five hundred sixty-four million, two hundred twenty-three thousand, five hundred fourteen".