22344004401391 has 2 divisors, whose sum is σ = 22344004401392. Its totient is φ = 22344004401390.

The previous prime is 22344004401371. The next prime is 22344004401421. The reversal of 22344004401391 is 19310440044322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22344004401391 - 2⁴³ = 13547911379183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22344004401391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22344004401371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11172002200695 + 11172002200696.

It is an arithmetic number, because the mean of its divisors is an integer number (11172002200696).

Almost surely, 2^{22344004401391} is an apocalyptic number.

22344004401391 is a deficient number, since it is larger than the sum of its proper divisors (1).

22344004401391 is an equidigital number, since it uses as much as digits as its factorization.

22344004401391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 22344004401391 in words is "twenty-two trillion, three hundred forty-four billion, four million, four hundred one thousand, three hundred ninety-one".