122223600 has 120 divisors (see below), whose sum is σ = 435063920. Its totient is φ = 32590080.

The previous prime is 122223593. The next prime is 122223601. The reversal of 122223600 is 6322221.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122223601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5142 + ... + 16458.

Almost surely, 2^122223600 is an apocalyptic number.

122223600 is a gapful number since it is divisible by the number (10) 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 122223600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217531960).

122223600 is an abundant number, since it is smaller than the sum of its proper divisors (312840320).

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

122223600 is a wasteful number, since it uses less digits than its factorization.

122223600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11344 (or 11327 counting only the distinct ones).

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

The square root of 122223600 is about 11055.4782800203. The cubic root of 122223600 is about 496.2703824108.

Adding to 122223600 its reverse (6322221), we get a palindrome (128545821).

The spelling of 122223600 in words is "one hundred twenty-two million, two hundred twenty-three thousand, six hundred".