22323142 has 16 divisors (see below), whose sum is σ = 35570880. Its totient is φ = 10470528.

The previous prime is 22323139. The next prime is 22323143. The reversal of 22323142 is 24132322.

It is a super-3 number, since 3×22323142³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323143) 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, 11584 + ... + 13372.

It is an arithmetic number, because the mean of its divisors is an integer number (2223180).

Almost surely, 2^22323142 is an apocalyptic number.

22323142 is a deficient number, since it is larger than the sum of its proper divisors (13247738).

22323142 is a wasteful number, since it uses less digits than its factorization.

22323142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175.

The product of its digits is 576, while the sum is 19.

The square root of 22323142 is about 4724.7372413712. The cubic root of 22323142 is about 281.5691743090.

Adding to 22323142 its reverse (24132322), we get a palindrome (46455464).

The spelling of 22323142 in words is "twenty-two million, three hundred twenty-three thousand, one hundred forty-two".