22616142 has 16 divisors (see below), whose sum is σ = 45505152. Its totient is φ = 7493240.

The previous prime is 22616141. The next prime is 22616149. The reversal of 22616142 is 24161622.

It is a super-2 number, since 2×22616142² = 1022979757928328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22616141) 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 7 ways as a sum of consecutive naturals, for example, 10284 + ... + 12287.

It is an arithmetic number, because the mean of its divisors is an integer number (2844072).

Almost surely, 2^22616142 is an apocalyptic number.

22616142 is an abundant number, since it is smaller than the sum of its proper divisors (22889010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22616142 is a wasteful number, since it uses less digits than its factorization.

22616142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22743.

The product of its digits is 1152, while the sum is 24.

The square root of 22616142 is about 4755.6431741669. The cubic root of 22616142 is about 282.7957255112.

Adding to 22616142 its reverse (24161622), we get a palindrome (46777764).

The spelling of 22616142 in words is "twenty-two million, six hundred sixteen thousand, one hundred forty-two".