22500378791655 has 8 divisors (see below), whose sum is σ = 36000606066672. Its totient is φ = 12000202022208.

The previous prime is 22500378791651. The next prime is 22500378791701. The reversal of 22500378791655 is 55619787300522.

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

It is not a de Polignac number, because 22500378791655 - 2² = 22500378791651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22500378791651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750012626374 + ... + 750012626403.

It is an arithmetic number, because the mean of its divisors is an integer number (4500075758334).

Almost surely, 2^{22500378791655} is an apocalyptic number.

22500378791655 is a deficient number, since it is larger than the sum of its proper divisors (13500227275017).

22500378791655 is a wasteful number, since it uses less digits than its factorization.

22500378791655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500025252785.

The product of its (nonzero) digits is 31752000, while the sum is 60.

The spelling of 22500378791655 in words is "twenty-two trillion, five hundred billion, three hundred seventy-eight million, seven hundred ninety-one thousand, six hundred fifty-five".