23000022 has 24 divisors (see below), whose sum is σ = 50091600. Its totient is φ = 7626960.

The previous prime is 23000011. The next prime is 23000027. The reversal of 23000022 is 22000032.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22999968 and 23000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372 + ... + 6792.

It is an arithmetic number, because the mean of its divisors is an integer number (2087150).

Almost surely, 2^23000022 is an apocalyptic number.

23000022 is an abundant number, since it is smaller than the sum of its proper divisors (27091578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23000022 is a wasteful number, since it uses less digits than its factorization.

23000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628 (or 6625 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 23000022 is about 4795.8338169707. The cubic root of 23000022 is about 284.3867886591.

Adding to 23000022 its reverse (22000032), we get a palindrome (45000054).

The spelling of 23000022 in words is "twenty-three million, twenty-two", and thus it is an aban number and an uban number.