22102044725 has 6 divisors (see below), whose sum is σ = 27406535490. Its totient is φ = 17681635760.

The previous prime is 22102044721. The next prime is 22102044749. The reversal of 22102044725 is 52744020122.

It can be written as a sum of positive squares in 3 ways, for example, as 807355396 + 21294689329 = 28414^2 + 145927^2 .

It is not a de Polignac number, because 22102044725 - 2² = 22102044721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102044721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442040870 + ... + 442040919.

It is an arithmetic number, because the mean of its divisors is an integer number (4567755915).

Almost surely, 2^22102044725 is an apocalyptic number.

22102044725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22102044725 is a deficient number, since it is larger than the sum of its proper divisors (5304490765).

22102044725 is an equidigital number, since it uses as much as digits as its factorization.

22102044725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884081799 (or 884081794 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

Adding to 22102044725 its reverse (52744020122), we get a palindrome (74846064847).

The spelling of 22102044725 in words is "twenty-two billion, one hundred two million, forty-four thousand, seven hundred twenty-five".