22043625416401 has 4 divisors (see below), whose sum is σ = 22322658649600. Its totient is φ = 21764592183204.

The previous prime is 22043625416399. The next prime is 22043625416437. The reversal of 22043625416401 is 10461452634022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22043625416401 - 2¹ = 22043625416399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22043625414401) 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, 139516616481 + ... + 139516616638.

It is an arithmetic number, because the mean of its divisors is an integer number (5580664662400).

Almost surely, 2^{22043625416401} is an apocalyptic number.

It is an amenable number.

22043625416401 is a deficient number, since it is larger than the sum of its proper divisors (279033233199).

22043625416401 is an equidigital number, since it uses as much as digits as its factorization.

22043625416401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279033233198.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 22043625416401 in words is "twenty-two trillion, forty-three billion, six hundred twenty-five million, four hundred sixteen thousand, four hundred one".