223422100 has 72 divisors (see below), whose sum is σ = 534403296. Its totient is φ = 80400000.

The previous prime is 223422097. The next prime is 223422103. The reversal of 223422100 is 1224322.

It is an interprime number because it is at equal distance from previous prime (223422097) and next prime (223422103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223422103) 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, 110095 + ... + 112105.

It is an arithmetic number, because the mean of its divisors is an integer number (7422268).

Almost surely, 2^223422100 is an apocalyptic number.

223422100 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 223422100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267201648).

223422100 is an abundant number, since it is smaller than the sum of its proper divisors (310981196).

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

223422100 is a wasteful number, since it uses less digits than its factorization.

223422100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137 (or 2130 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 223422100 is about 14947.3107949223. The cubic root of 223422100 is about 606.7950693609.

Adding to 223422100 its reverse (1224322), we get a palindrome (224646422).

It can be divided in two parts, 22342 and 2100, that added together give a palindrome (24442).

The spelling of 223422100 in words is "two hundred twenty-three million, four hundred twenty-two thousand, one hundred".