23142722 has 16 divisors (see below), whose sum is σ = 36828000. Its totient is φ = 10876320.

The previous prime is 23142719. The next prime is 23142733. The reversal of 23142722 is 22724132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654 + ... + 7302.

It is an arithmetic number, because the mean of its divisors is an integer number (2301750).

Almost surely, 2^23142722 is an apocalyptic number.

23142722 is a deficient number, since it is larger than the sum of its proper divisors (13685278).

23142722 is a wasteful number, since it uses less digits than its factorization.

23142722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801.

The product of its digits is 1344, while the sum is 23.

The square root of 23142722 is about 4810.6883083401. The cubic root of 23142722 is about 284.9737207738.

Adding to 23142722 its reverse (22724132), we get a palindrome (45866854).

The spelling of 23142722 in words is "twenty-three million, one hundred forty-two thousand, seven hundred twenty-two".