22459142 has 8 divisors (see below), whose sum is σ = 35670456. Its totient is φ = 10568992.

The previous prime is 22459141. The next prime is 22459181. The reversal of 22459142 is 24195422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22459141) 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, 330248 + ... + 330315.

It is an arithmetic number, because the mean of its divisors is an integer number (4458807).

Almost surely, 2^22459142 is an apocalyptic number.

22459142 is a deficient number, since it is larger than the sum of its proper divisors (13211314).

22459142 is a wasteful number, since it uses less digits than its factorization.

22459142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660582.

The product of its digits is 5760, while the sum is 29.

The square root of 22459142 is about 4739.1077219240. The cubic root of 22459142 is about 282.1398213452.

The spelling of 22459142 in words is "twenty-two million, four hundred fifty-nine thousand, one hundred forty-two".