222404442 has 32 divisors (see below), whose sum is σ = 479592960. Its totient is φ = 68351040.

The previous prime is 222404407. The next prime is 222404477. The reversal of 222404442 is 244404222.

It is an interprime number because it is at equal distance from previous prime (222404407) and next prime (222404477).

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, 125559 + ... + 127317.

It is an arithmetic number, because the mean of its divisors is an integer number (14987280).

Almost surely, 2^222404442 is an apocalyptic number.

222404442 is an abundant number, since it is smaller than the sum of its proper divisors (257188518).

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

222404442 is a wasteful number, since it uses less digits than its factorization.

222404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 222404442 is about 14913.2304347516. The cubic root of 222404442 is about 605.8723767015.

Adding to 222404442 its reverse (244404222), we get a palindrome (466808664).

The spelling of 222404442 in words is "two hundred twenty-two million, four hundred four thousand, four hundred forty-two".