22342200 has 96 divisors (see below), whose sum is σ = 72316800. Its totient is φ = 5695360.

The previous prime is 22342183. The next prime is 22342211. The reversal of 22342200 is 224322.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22342200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12991 + ... + 14609.

It is an arithmetic number, because the mean of its divisors is an integer number (753300).

Almost surely, 2^22342200 is an apocalyptic number.

22342200 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 22342200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36158400).

22342200 is an abundant number, since it is smaller than the sum of its proper divisors (49974600).

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

22342200 is a wasteful number, since it uses less digits than its factorization.

22342200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22342200 is about 4726.7536428293. The cubic root of 22342200 is about 281.6492798032.

Adding to 22342200 its reverse (224322), we get a palindrome (22566522).

The spelling of 22342200 in words is "twenty-two million, three hundred forty-two thousand, two hundred".