22306572747145 has 8 divisors (see below), whose sum is σ = 27206705121480. Its totient is φ = 17552712981120.

The previous prime is 22306572747131. The next prime is 22306572747163. The reversal of 22306572747145 is 54174727560322.

It can be written as a sum of positive squares in 4 ways, for example, as 511194970441 + 21795377776704 = 714979^2 + 4668552^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-22306572747145 is a prime.

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, 36568151740 + ... + 36568152349.

It is an arithmetic number, because the mean of its divisors is an integer number (3400838140185).

Almost surely, 2^{22306572747145} is an apocalyptic number.

It is an amenable number.

22306572747145 is a deficient number, since it is larger than the sum of its proper divisors (4900132374335).

22306572747145 is an equidigital number, since it uses as much as digits as its factorization.

22306572747145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73136304155.

The product of its (nonzero) digits is 19756800, while the sum is 55.

The spelling of 22306572747145 in words is "twenty-two trillion, three hundred six billion, five hundred seventy-two million, seven hundred forty-seven thousand, one hundred forty-five".