44646225 has 48 divisors (see below), whose sum is σ = 82286400. Its totient is φ = 21208320.

The previous prime is 44646221. The next prime is 44646269. The reversal of 44646225 is 52264644.

It is not a de Polignac number, because 44646225 - 2² = 44646221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44646221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27486 + ... + 29064.

It is an arithmetic number, because the mean of its divisors is an integer number (1714300).

Almost surely, 2^44646225 is an apocalyptic number.

It is an amenable number.

44646225 is a deficient number, since it is larger than the sum of its proper divisors (37640175).

44646225 is a wasteful number, since it uses less digits than its factorization.

44646225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1629 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 44646225 is about 6681.7830704087. The cubic root of 44646225 is about 354.7547734440.

The spelling of 44646225 in words is "forty-four million, six hundred forty-six thousand, two hundred twenty-five".