44613225 has 18 divisors (see below), whose sum is σ = 79907646. Its totient is φ = 23793600.

The previous prime is 44613221. The next prime is 44613251. The reversal of 44613225 is 52231644.

44613225 is a `hidden beast` number, since 44 + 613 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 14538969 + 30074256 = 3813^2 + 5484^2 .

It is not a de Polignac number, because 44613225 - 2² = 44613221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44613221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 98916 + ... + 99365.

Almost surely, 2^44613225 is an apocalyptic number.

44613225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44613225 is a deficient number, since it is larger than the sum of its proper divisors (35294421).

44613225 is a wasteful number, since it uses less digits than its factorization.

44613225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198297 (or 198289 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 44613225 is about 6679.3132131979. The cubic root of 44613225 is about 354.6673469178.

Adding to 44613225 its reverse (52231644), we get a palindrome (96844869).

The spelling of 44613225 in words is "forty-four million, six hundred thirteen thousand, two hundred twenty-five".