22063624512145 has 4 divisors (see below), whose sum is σ = 26476349414580. Its totient is φ = 17650899609712.

The previous prime is 22063624512071. The next prime is 22063624512161. The reversal of 22063624512145 is 54121542636022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17532635465601 + 4530989046544 = 4187199^2 + 2128612^2 .

It is a cyclic number.

It is not a de Polignac number, because 22063624512145 - 2⁹ = 22063624511633 is a prime.

It is a super-2 number, since 2×22063624512145² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206362451210 + ... + 2206362451219.

It is an arithmetic number, because the mean of its divisors is an integer number (6619087353645).

Almost surely, 2^{22063624512145} is an apocalyptic number.

It is an amenable number.

22063624512145 is a deficient number, since it is larger than the sum of its proper divisors (4412724902435).

22063624512145 is an equidigital number, since it uses as much as digits as its factorization.

22063624512145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412724902434.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 22063624512145 in words is "twenty-two trillion, sixty-three billion, six hundred twenty-four million, five hundred twelve thousand, one hundred forty-five".