44640227 has 4 divisors (see below), whose sum is σ = 45372096. Its totient is φ = 43908360.

The previous prime is 44640223. The next prime is 44640229. The reversal of 44640227 is 72204644.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44640227 - 2² = 44640223 is a prime.

It is a super-2 number, since 2×44640227² = 3985499733223058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44640227.

It is not an unprimeable number, because it can be changed into a prime (44640223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365843 + ... + 365964.

It is an arithmetic number, because the mean of its divisors is an integer number (11343024).

Almost surely, 2^44640227 is an apocalyptic number.

44640227 is a deficient number, since it is larger than the sum of its proper divisors (731869).

44640227 is an equidigital number, since it uses as much as digits as its factorization.

44640227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731868.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 44640227 is about 6681.3342230426. The cubic root of 44640227 is about 354.7388862148.

The spelling of 44640227 in words is "forty-four million, six hundred forty thousand, two hundred twenty-seven".