22452621645163 has 4 divisors (see below), whose sum is σ = 22506207854760. Its totient is φ = 22399035435568.

The previous prime is 22452621645137. The next prime is 22452621645173. The reversal of 22452621645163 is 36154612625422.

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

It is a cyclic number.

It is not a de Polignac number, because 22452621645163 - 2⁵ = 22452621645131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22452621645173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26793104170 + ... + 26793105007.

It is an arithmetic number, because the mean of its divisors is an integer number (5626551963690).

Almost surely, 2^{22452621645163} is an apocalyptic number.

22452621645163 is a deficient number, since it is larger than the sum of its proper divisors (53586209597).

22452621645163 is an equidigital number, since it uses as much as digits as its factorization.

22452621645163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53586209596.

The product of its digits is 4147200, while the sum is 49.

The spelling of 22452621645163 in words is "twenty-two trillion, four hundred fifty-two billion, six hundred twenty-one million, six hundred forty-five thousand, one hundred sixty-three".