23660226 has 48 divisors (see below), whose sum is σ = 54722304. Its totient is φ = 7362432.

The previous prime is 23660213. The next prime is 23660237. The reversal of 23660226 is 62206632.

It is a happy number.

23660226 is a `hidden beast` number, since 2 + 36 + 602 + 26 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23660226.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50871 + ... + 51333.

It is an arithmetic number, because the mean of its divisors is an integer number (1140048).

Almost surely, 2^23660226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23660226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27361152).

23660226 is an abundant number, since it is smaller than the sum of its proper divisors (31062078).

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

23660226 is a wasteful number, since it uses less digits than its factorization.

23660226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 23660226 is about 4864.1778339201. The cubic root of 23660226 is about 287.0822201676.

Adding to 23660226 its reverse (62206632), we get a palindrome (85866858).

The spelling of 23660226 in words is "twenty-three million, six hundred sixty thousand, two hundred twenty-six".