23346220 has 48 divisors (see below), whose sum is σ = 51057216. Its totient is φ = 8960000.

The previous prime is 23346163. The next prime is 23346221. The reversal of 23346220 is 2264332.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23346191 and 23346200.

It is not an unprimeable number, because it can be changed into a prime (23346221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58020 + ... + 58420.

It is an arithmetic number, because the mean of its divisors is an integer number (1063692).

Almost surely, 2^23346220 is an apocalyptic number.

23346220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23346220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25528608).

23346220 is an abundant number, since it is smaller than the sum of its proper divisors (27710996).

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

23346220 is a wasteful number, since it uses less digits than its factorization.

23346220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 23346220 is about 4831.7926280005. The cubic root of 23346220 is about 285.8065590061.

The spelling of 23346220 in words is "twenty-three million, three hundred forty-six thousand, two hundred twenty".