23040722 has 4 divisors (see below), whose sum is σ = 34561086. Its totient is φ = 11520360.

The previous prime is 23040713. The next prime is 23040767. The reversal of 23040722 is 22704032.

It is a happy number.

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., 14508481 + 8532241 = 3809^2 + 2921^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23040694 and 23040703.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760179 + ... + 5760182.

Almost surely, 2^23040722 is an apocalyptic number.

23040722 is a deficient number, since it is larger than the sum of its proper divisors (11520364).

23040722 is a wasteful number, since it uses less digits than its factorization.

23040722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520363.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 23040722 is about 4800.0752077441. The cubic root of 23040722 is about 284.5544366395.

Adding to 23040722 its reverse (22704032), we get a palindrome (45744754).

The spelling of 23040722 in words is "twenty-three million, forty thousand, seven hundred twenty-two".