22425142 has 8 divisors (see below), whose sum is σ = 35616456. Its totient is φ = 10552992.

The previous prime is 22425107. The next prime is 22425163. The reversal of 22425142 is 24152422.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 329748 + ... + 329815.

It is an arithmetic number, because the mean of its divisors is an integer number (4452057).

Almost surely, 2^22425142 is an apocalyptic number.

22425142 is a deficient number, since it is larger than the sum of its proper divisors (13191314).

22425142 is a wasteful number, since it uses less digits than its factorization.

22425142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659582.

The product of its digits is 1280, while the sum is 22.

The square root of 22425142 is about 4735.5191901206. The cubic root of 22425142 is about 281.9973760298.

Adding to 22425142 its reverse (24152422), we get a palindrome (46577564).

The spelling of 22425142 in words is "twenty-two million, four hundred twenty-five thousand, one hundred forty-two".