2442172 has 6 divisors (see below), whose sum is σ = 4273808. Its totient is φ = 1221084.

The previous prime is 2442151. The next prime is 2442173. The reversal of 2442172 is 2712442.

It is a happy number.

2442172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442173) 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 as a sum of consecutive naturals, namely, 305268 + ... + 305275.

2^2442172 is an apocalyptic number.

It is an amenable number.

2442172 is a deficient number, since it is larger than the sum of its proper divisors (1831636).

2442172 is a wasteful number, since it uses less digits than its factorization.

2442172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610547 (or 610545 counting only the distinct ones).

The product of its digits is 896, while the sum is 22.

The square root of 2442172 is about 1562.7450207887. The cubic root of 2442172 is about 134.6662445934. Note that the first 3 decimals are identical.

It can be divided in two parts, 2442 and 172, that multiplied together give a palindrome (420024).

The spelling of 2442172 in words is "two million, four hundred forty-two thousand, one hundred seventy-two".