23228380 has 48 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 7864128.

The previous prime is 23228371. The next prime is 23228383. The reversal of 23228380 is 8382232.

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 (23228383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10621 + ... + 12619.

It is an arithmetic number, because the mean of its divisors is an integer number (1176000).

Almost surely, 2^23228380 is an apocalyptic number.

23228380 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 23228380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28224000).

23228380 is an abundant number, since it is smaller than the sum of its proper divisors (33219620).

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

23228380 is a wasteful number, since it uses less digits than its factorization.

23228380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 23228380 is about 4819.5829695110. The cubic root of 23228380 is about 285.3248783172.

The spelling of 23228380 in words is "twenty-three million, two hundred twenty-eight thousand, three hundred eighty".