22255502347545 has 8 divisors (see below), whose sum is σ = 35608803756096. Its totient is φ = 11869601252016.

The previous prime is 22255502347513. The next prime is 22255502347571. The reversal of 22255502347545 is 54574320555222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22255502347545 - 2⁵ = 22255502347513 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 741850078237 + ... + 741850078266.

It is an arithmetic number, because the mean of its divisors is an integer number (4451100469512).

Almost surely, 2^{22255502347545} is an apocalyptic number.

It is an amenable number.

22255502347545 is a deficient number, since it is larger than the sum of its proper divisors (13353301408551).

22255502347545 is a wasteful number, since it uses less digits than its factorization.

22255502347545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483700156511.

The product of its (nonzero) digits is 16800000, while the sum is 51.

The spelling of 22255502347545 in words is "twenty-two trillion, two hundred fifty-five billion, five hundred two million, three hundred forty-seven thousand, five hundred forty-five".