23540722 has 4 divisors (see below), whose sum is σ = 35311086. Its totient is φ = 11770360.

The previous prime is 23540711. The next prime is 23540723. The reversal of 23540722 is 22704532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18740241 + 4800481 = 4329^2 + 2191^2 .

It is not an unprimeable number, because it can be changed into a prime (23540723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5885179 + ... + 5885182.

Almost surely, 2^23540722 is an apocalyptic number.

23540722 is a deficient number, since it is larger than the sum of its proper divisors (11770364).

23540722 is a wasteful number, since it uses less digits than its factorization.

23540722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770363.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 23540722 is about 4851.8781930300. The cubic root of 23540722 is about 286.5980687373.

The spelling of 23540722 in words is "twenty-three million, five hundred forty thousand, seven hundred twenty-two".