2231222 has 16 divisors (see below), whose sum is σ = 3849120. Its totient is φ = 950208.

The previous prime is 2231219. The next prime is 2231269. The reversal of 2231222 is 2221322.

It is a super-3 number, since 3×2231222³ = 33323422929884259144, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2231197 and 2231206.

It is a congruent number.

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, 2354 + ... + 3162.

It is an arithmetic number, because the mean of its divisors is an integer number (240570).

2^2231222 is an apocalyptic number.

2231222 is a deficient number, since it is larger than the sum of its proper divisors (1617898).

2231222 is a wasteful number, since it uses less digits than its factorization.

2231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015.

The product of its digits is 96, while the sum is 14.

The square root of 2231222 is about 1493.7275521326. The cubic root of 2231222 is about 130.6715154501.

Adding to 2231222 its reverse (2221322), we get a palindrome (4452544).

The spelling of 2231222 in words is "two million, two hundred thirty-one thousand, two hundred twenty-two".