44322157 has 16 divisors (see below), whose sum is σ = 50780160. Its totient is φ = 38314800.

The previous prime is 44322143. The next prime is 44322167. The reversal of 44322157 is 75122344.

44322157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 44322157 - 2⁷ = 44322029 is a prime.

It is a super-2 number, since 2×44322157² = 3928907202265298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44322167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19018 + ... + 21220.

It is an arithmetic number, because the mean of its divisors is an integer number (3173760).

Almost surely, 2^44322157 is an apocalyptic number.

It is an amenable number.

44322157 is a deficient number, since it is larger than the sum of its proper divisors (6458003).

44322157 is a wasteful number, since it uses less digits than its factorization.

44322157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

The product of its digits is 6720, while the sum is 28.

The square root of 44322157 is about 6657.4887908280. The cubic root of 44322157 is about 353.8943501422.

The spelling of 44322157 in words is "forty-four million, three hundred twenty-two thousand, one hundred fifty-seven".