222134442 has 16 divisors (see below), whose sum is σ = 446526432. Its totient is φ = 73668560.

The previous prime is 222134399. The next prime is 222134443. The reversal of 222134442 is 244431222.

It is not an unprimeable number, because it can be changed into a prime (222134443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92784 + ... + 95147.

It is an arithmetic number, because the mean of its divisors is an integer number (27907902).

Almost surely, 2^222134442 is an apocalyptic number.

222134442 is an abundant number, since it is smaller than the sum of its proper divisors (224391990).

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

222134442 is a wasteful number, since it uses less digits than its factorization.

222134442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188133.

The product of its digits is 3072, while the sum is 24.

The square root of 222134442 is about 14904.1753210300. The cubic root of 222134442 is about 605.6271001492.

Adding to 222134442 its reverse (244431222), we get a palindrome (466565664).

It can be divided in two parts, 2221 and 34442, that added together give a palindrome (36663).

The spelling of 222134442 in words is "two hundred twenty-two million, one hundred thirty-four thousand, four hundred forty-two".