23226616 has 32 divisors (see below), whose sum is σ = 50006880. Its totient is φ = 9907200.

The previous prime is 23226613. The next prime is 23226647. The reversal of 23226616 is 61662232.

It is a happy number.

It is a super-2 number, since 2×23226616² = 1078951381622912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23226611) 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, 12636 + ... + 14356.

It is an arithmetic number, because the mean of its divisors is an integer number (1562715).

Almost surely, 2^23226616 is an apocalyptic number.

It is an amenable number.

23226616 is an abundant number, since it is smaller than the sum of its proper divisors (26780264).

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

23226616 is a wasteful number, since it uses less digits than its factorization.

23226616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1971 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 23226616 is about 4819.3999626510. The cubic root of 23226616 is about 285.3176554599.

Adding to 23226616 its reverse (61662232), we get a palindrome (84888848).

The spelling of 23226616 in words is "twenty-three million, two hundred twenty-six thousand, six hundred sixteen".