222424104 has 64 divisors (see below), whose sum is σ = 642096000. Its totient is φ = 62889984.

The previous prime is 222424087. The next prime is 222424151. The reversal of 222424104 is 401424222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9472 + ... + 23120.

It is an arithmetic number, because the mean of its divisors is an integer number (10032750).

Almost surely, 2^222424104 is an apocalyptic number.

222424104 is a gapful number since it is divisible by the number (24) 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 222424104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321048000).

222424104 is an abundant number, since it is smaller than the sum of its proper divisors (419671896).

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

222424104 is a wasteful number, since it uses less digits than its factorization.

222424104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13762 (or 13758 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 222424104 is about 14913.8896334927. The cubic root of 222424104 is about 605.8902305290.

Adding to 222424104 its reverse (401424222), we get a palindrome (623848326).

The spelling of 222424104 in words is "two hundred twenty-two million, four hundred twenty-four thousand, one hundred four".