44122491 has 24 divisors (see below), whose sum is σ = 74328800. Its totient is φ = 25211088.

The previous prime is 44122489. The next prime is 44122493. The reversal of 44122491 is 19422144.

It is a happy number.

44122491 is a `hidden beast` number, since 4 + 412 + 249 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (44122489) and next prime (44122493).

It is not a de Polignac number, because 44122491 - 2¹ = 44122489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44122493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4060 + ... + 10233.

Almost surely, 2^44122491 is an apocalyptic number.

44122491 is a deficient number, since it is larger than the sum of its proper divisors (30206309).

44122491 is a wasteful number, since it uses less digits than its factorization.

44122491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14320 (or 14303 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 44122491 is about 6642.4762701872. The cubic root of 44122491 is about 353.3621329518.

It can be divided in two parts, 4412 and 2491, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 44122491 in words is "forty-four million, one hundred twenty-two thousand, four hundred ninety-one".