42244499 has 4 divisors (see below), whose sum is σ = 46084920. Its totient is φ = 38404080.

The previous prime is 42244481. The next prime is 42244519. The reversal of 42244499 is 99444224.

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

It is a de Polignac number, because none of the positive numbers 2^k-42244499 is a prime.

It is a super-2 number, since 2×42244499² = 3569195391522002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42244459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920194 + ... + 1920215.

It is an arithmetic number, because the mean of its divisors is an integer number (11521230).

Almost surely, 2^42244499 is an apocalyptic number.

42244499 is a deficient number, since it is larger than the sum of its proper divisors (3840421).

42244499 is a wasteful number, since it uses less digits than its factorization.

42244499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840420.

The product of its digits is 82944, while the sum is 38.

The square root of 42244499 is about 6499.5768323792. The cubic root of 42244499 is about 348.2758717718.

The spelling of 42244499 in words is "forty-two million, two hundred forty-four thousand, four hundred ninety-nine".