222404204442 has 32 divisors (see below), whose sum is σ = 525881865600. Its totient is φ = 61352883648.

The previous prime is 222404204387. The next prime is 222404204459. The reversal of 222404204442 is 244402404222.

It is a happy number.

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, 91297717 + ... + 91300152.

It is an arithmetic number, because the mean of its divisors is an integer number (16433808300).

Almost surely, 2^222404204442 is an apocalyptic number.

222404204442 is an abundant number, since it is smaller than the sum of its proper divisors (303477661158).

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

222404204442 is a wasteful number, since it uses less digits than its factorization.

222404204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182597910.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 222404204442 its reverse (244402404222), we get a palindrome (466806608664).

The spelling of 222404204442 in words is "two hundred twenty-two billion, four hundred four million, two hundred four thousand, four hundred forty-two".