222311442 has 16 divisors (see below), whose sum is σ = 444784032. Its totient is φ = 74076960.

The previous prime is 222311393. The next prime is 222311459. The reversal of 222311442 is 244113222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18513 + ... + 28059.

It is an arithmetic number, because the mean of its divisors is an integer number (27799002).

Almost surely, 2^222311442 is an apocalyptic number.

222311442 is an abundant number, since it is smaller than the sum of its proper divisors (222472590).

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

222311442 is a wasteful number, since it uses less digits than its factorization.

222311442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13433.

The product of its digits is 768, while the sum is 21.

The square root of 222311442 is about 14910.1120720134. The cubic root of 222311442 is about 605.7879149791.

Adding to 222311442 its reverse (244113222), we get a palindrome (466424664).

The spelling of 222311442 in words is "two hundred twenty-two million, three hundred eleven thousand, four hundred forty-two".