23147722 has 16 divisors (see below), whose sum is σ = 37552032. Its totient is φ = 10638000.

The previous prime is 23147699. The next prime is 23147723. The reversal of 23147722 is 22774132.

It is not an unprimeable number, because it can be changed into a prime (23147723) 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, 4753 + ... + 8299.

It is an arithmetic number, because the mean of its divisors is an integer number (2347002).

Almost surely, 2^23147722 is an apocalyptic number.

23147722 is a deficient number, since it is larger than the sum of its proper divisors (14404310).

23147722 is a wasteful number, since it uses less digits than its factorization.

23147722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813.

The product of its digits is 4704, while the sum is 28.

The square root of 23147722 is about 4811.2079564284. The cubic root of 23147722 is about 284.9942422147.

The spelling of 23147722 in words is "twenty-three million, one hundred forty-seven thousand, seven hundred twenty-two".