222341400 has 144 divisors (see below), whose sum is σ = 754706160. Its totient is φ = 58656000.

The previous prime is 222341389. The next prime is 222341411. The reversal of 222341400 is 4143222.

222341400 is a `hidden beast` number, since 2 + 223 + 41 + 400 = 666.

It is an interprime number because it is at equal distance from previous prime (222341389) and next prime (222341411).

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 35 ways as a sum of consecutive naturals, for example, 181189 + ... + 182411.

It is an arithmetic number, because the mean of its divisors is an integer number (5241015).

Almost surely, 2^222341400 is an apocalyptic number.

222341400 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 222341400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377353080).

222341400 is an abundant number, since it is smaller than the sum of its proper divisors (532364760).

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

222341400 is a wasteful number, since it uses less digits than its factorization.

222341400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1334 counting only the distinct ones).

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

The square root of 222341400 is about 14911.1166583861. The cubic root of 222341400 is about 605.8151251234.

Adding to 222341400 its reverse (4143222), we get a palindrome (226484622).

The spelling of 222341400 in words is "two hundred twenty-two million, three hundred forty-one thousand, four hundred".