22116142 has 8 divisors (see below), whose sum is σ = 33201432. Its totient is φ = 11049000.

The previous prime is 22116109. The next prime is 22116163. The reversal of 22116142 is 24161122.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909 + ... + 6712.

It is an arithmetic number, because the mean of its divisors is an integer number (4150179).

Almost surely, 2^22116142 is an apocalyptic number.

22116142 is a deficient number, since it is larger than the sum of its proper divisors (11085290).

22116142 is a wasteful number, since it uses less digits than its factorization.

22116142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074.

The product of its digits is 192, while the sum is 19.

The square root of 22116142 is about 4702.7802415167. The cubic root of 22116142 is about 280.6961504137.

Adding to 22116142 its reverse (24161122), we get a palindrome (46277264).

The spelling of 22116142 in words is "twenty-two million, one hundred sixteen thousand, one hundred forty-two".