23729222 has 16 divisors (see below), whose sum is σ = 39118032. Its totient is φ = 10705920.

The previous prime is 23729177. The next prime is 23729231. The reversal of 23729222 is 22292732.

It is a congruent 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, 923 + ... + 6950.

It is an arithmetic number, because the mean of its divisors is an integer number (2444877).

Almost surely, 2^23729222 is an apocalyptic number.

23729222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23729222 is a deficient number, since it is larger than the sum of its proper divisors (15388810).

23729222 is a wasteful number, since it uses less digits than its factorization.

23729222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8023.

The product of its digits is 6048, while the sum is 29.

The square root of 23729222 is about 4871.2649281270. The cubic root of 23729222 is about 287.3610045193.

The spelling of 23729222 in words is "twenty-three million, seven hundred twenty-nine thousand, two hundred twenty-two".