23700022 has 4 divisors (see below), whose sum is σ = 35550036. Its totient is φ = 11850010.

The previous prime is 23699987. The next prime is 23700029. The reversal of 23700022 is 22000732.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 23699969 and 23700005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23700029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5925004 + ... + 5925007.

It is an arithmetic number, because the mean of its divisors is an integer number (8887509).

Almost surely, 2^23700022 is an apocalyptic number.

23700022 is a deficient number, since it is larger than the sum of its proper divisors (11850014).

23700022 is a wasteful number, since it uses less digits than its factorization.

23700022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850013.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 23700022 is about 4868.2668373868. The cubic root of 23700022 is about 287.2430854193.

Adding to 23700022 its reverse (22000732), we get a palindrome (45700754).

The spelling of 23700022 in words is "twenty-three million, seven hundred thousand, twenty-two".