23040022 has 16 divisors (see below), whose sum is σ = 35258832. Its totient is φ = 11289600.

The previous prime is 23039993. The next prime is 23040023. The reversal of 23040022 is 22004032.

It is a super-2 number, since 2×23040022² = 1061685227520968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23039984 and 23040011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21397 + ... + 22447.

It is an arithmetic number, because the mean of its divisors is an integer number (2203677).

Almost surely, 2^23040022 is an apocalyptic number.

23040022 is a deficient number, since it is larger than the sum of its proper divisors (12218810).

23040022 is a wasteful number, since it uses less digits than its factorization.

23040022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 23040022 is about 4800.0022916661. The cubic root of 23040022 is about 284.5515549282.

Adding to 23040022 its reverse (22004032), we get a palindrome (45044054).

The spelling of 23040022 in words is "twenty-three million, forty thousand, twenty-two".