22361142 has 16 divisors (see below), whose sum is σ = 44831232. Its totient is φ = 7435560.

The previous prime is 22361123. The next prime is 22361149. The reversal of 22361142 is 24116322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22361149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1738 + ... + 6909.

It is an arithmetic number, because the mean of its divisors is an integer number (2801952).

Almost surely, 2^22361142 is an apocalyptic number.

22361142 is an abundant number, since it is smaller than the sum of its proper divisors (22470090).

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

22361142 is a wasteful number, since it uses less digits than its factorization.

22361142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9083.

The product of its digits is 576, while the sum is 21.

The square root of 22361142 is about 4728.7569191068. The cubic root of 22361142 is about 281.7288525948.

Adding to 22361142 its reverse (24116322), we get a palindrome (46477464).

The spelling of 22361142 in words is "twenty-two million, three hundred sixty-one thousand, one hundred forty-two".