22549125982465 has 8 divisors (see below), whose sum is σ = 27058984495848. Its totient is φ = 18039278574720.

The previous prime is 22549125982417. The next prime is 22549125982507. The reversal of 22549125982465 is 56428952194522.

It is a happy number.

It is a Cunningham number, because it is equal to 4748592²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 8117689912336 + 14431436070129 = 2849156^2 + 3798873^2 .

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

It is not a de Polignac number, because 22549125982465 - 2¹⁵ = 22549125949697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22549125982397 and 22549125982406.

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, 2657269 + ... + 7222141.

It is an arithmetic number, because the mean of its divisors is an integer number (3382373061981).

Almost surely, 2^{22549125982465} is an apocalyptic number.

It is an amenable number.

22549125982465 is a deficient number, since it is larger than the sum of its proper divisors (4509858513383).

22549125982465 is an equidigital number, since it uses as much as digits as its factorization.

22549125982465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552819.

The product of its digits is 124416000, while the sum is 64.

The spelling of 22549125982465 in words is "twenty-two trillion, five hundred forty-nine billion, one hundred twenty-five million, nine hundred eighty-two thousand, four hundred sixty-five".