2644227125 has 8 divisors (see below), whose sum is σ = 3299995608. Its totient is φ = 2115381600.

The previous prime is 2644227109. The next prime is 2644227133. The reversal of 2644227125 is 5217224462.

It can be written as a sum of positive squares in 4 ways, for example, as 5041 + 2644222084 = 71^2 + 51422^2 .

It is not a de Polignac number, because 2644227125 - 2⁴ = 2644227109 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 10576784 + ... + 10577033.

It is an arithmetic number, because the mean of its divisors is an integer number (412499451).

Almost surely, 2^2644227125 is an apocalyptic number.

2644227125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2644227125 is a deficient number, since it is larger than the sum of its proper divisors (655768483).

2644227125 is an equidigital number, since it uses as much as digits as its factorization.

2644227125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21153832 (or 21153822 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 2644227125 is about 51422.0490159620. The cubic root of 2644227125 is about 1382.8219097852.

The spelling of 2644227125 in words is "two billion, six hundred forty-four million, two hundred twenty-seven thousand, one hundred twenty-five".