23122242 has 72 divisors (see below), whose sum is σ = 59265648. Its totient is φ = 6458400.

The previous prime is 23122241. The next prime is 23122243. The reversal of 23122242 is 24222132.

It is an interprime number because it is at equal distance from previous prime (23122241) and next prime (23122243).

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

It is not an unprimeable number, because it can be changed into a prime (23122241) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33117 + ... + 33807.

It is an arithmetic number, because the mean of its divisors is an integer number (823134).

Almost surely, 2^23122242 is an apocalyptic number.

23122242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23122242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29632824).

23122242 is an abundant number, since it is smaller than the sum of its proper divisors (36143406).

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

23122242 is a wasteful number, since it uses less digits than its factorization.

23122242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 720 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 23122242 is about 4808.5592436820. The cubic root of 23122242 is about 284.8896340901.

Adding to 23122242 its reverse (24222132), we get a palindrome (47344374).

It can be divided in two parts, 2312 and 2242, that added together give a palindrome (4554).

The spelling of 23122242 in words is "twenty-three million, one hundred twenty-two thousand, two hundred forty-two".