44542247 has 4 divisors (see below), whose sum is σ = 44974800. Its totient is φ = 44109696.

The previous prime is 44542217. The next prime is 44542249. The reversal of 44542247 is 74224544.

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 44542247 - 2¹⁰ = 44541223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44542249) 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, 216122 + ... + 216327.

It is an arithmetic number, because the mean of its divisors is an integer number (11243700).

Almost surely, 2^44542247 is an apocalyptic number.

44542247 is a deficient number, since it is larger than the sum of its proper divisors (432553).

44542247 is a wasteful number, since it uses less digits than its factorization.

44542247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432552.

The product of its digits is 35840, while the sum is 32.

The square root of 44542247 is about 6673.9978273895. The cubic root of 44542247 is about 354.4791595150.

The spelling of 44542247 in words is "forty-four million, five hundred forty-two thousand, two hundred forty-seven".