222242422 has 16 divisors (see below), whose sum is σ = 348553440. Its totient is φ = 106278216.

The previous prime is 222242393. The next prime is 222242429. The reversal of 222242422 is 224242222.

It is a junction number, because it is equal to n+sod(n) for n = 222242393 and 222242402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222242429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19768 + ... + 28900.

It is an arithmetic number, because the mean of its divisors is an integer number (21784590).

Almost surely, 2^222242422 is an apocalyptic number.

222242422 is a deficient number, since it is larger than the sum of its proper divisors (126311018).

222242422 is an frugal number, since it uses more digits than its factorization.

222242422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204 (or 9158 counting only the distinct ones).

The product of its digits is 2048, while the sum is 22.

The square root of 222242422 is about 14907.7973557464. The cubic root of 222242422 is about 605.7252164374.

Adding to 222242422 its reverse (224242222), we get a palindrome (446484644).

It can be divided in two parts, 2222 and 42422, that added together give a palindrome (44644).

The spelling of 222242422 in words is "two hundred twenty-two million, two hundred forty-two thousand, four hundred twenty-two".