23122260 has 120 divisors (see below), whose sum is σ = 82938240. Its totient is φ = 5282496.

The previous prime is 23122247. The next prime is 23122283. The reversal of 23122260 is 6222132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10321 + ... + 12359.

It is an arithmetic number, because the mean of its divisors is an integer number (691152).

Almost surely, 2^23122260 is an apocalyptic number.

23122260 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 23122260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41469120).

23122260 is an abundant number, since it is smaller than the sum of its proper divisors (59815980).

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

23122260 is a wasteful number, since it uses less digits than its factorization.

23122260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067 (or 2056 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23122260 is about 4808.5611153442. The cubic root of 23122260 is about 284.8897080162.

Adding to 23122260 its reverse (6222132), we get a palindrome (29344392).

The spelling of 23122260 in words is "twenty-three million, one hundred twenty-two thousand, two hundred sixty".