23226660 has 36 divisors (see below), whose sum is σ = 70454748. Its totient is φ = 6193728.

The previous prime is 23226647. The next prime is 23226661. The reversal of 23226660 is 6662232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15069924 + 8156736 = 3882^2 + 2856^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (23226661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64339 + ... + 64698.

Almost surely, 2^23226660 is an apocalyptic number.

23226660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23226660 is an abundant number, since it is smaller than the sum of its proper divisors (47228088).

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

23226660 is a wasteful number, since it uses less digits than its factorization.

23226660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129052 (or 129047 counting only the distinct ones).

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

The square root of 23226660 is about 4819.4045275324. The cubic root of 23226660 is about 285.3178356263.

Adding to 23226660 its reverse (6662232), we get a palindrome (29888892).

The spelling of 23226660 in words is "twenty-three million, two hundred twenty-six thousand, six hundred sixty".