2232421222 has 4 divisors (see below), whose sum is σ = 3348631836. Its totient is φ = 1116210610.

The previous prime is 2232421187. The next prime is 2232421223. The reversal of 2232421222 is 2221242322.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×2232421222³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2232421193 and 2232421202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232421223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558105304 + ... + 558105307.

It is an arithmetic number, because the mean of its divisors is an integer number (837157959).

Almost surely, 2^2232421222 is an apocalyptic number.

2232421222 is a deficient number, since it is larger than the sum of its proper divisors (1116210614).

2232421222 is a wasteful number, since it uses less digits than its factorization.

2232421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116210613.

The product of its digits is 1536, while the sum is 22.

The square root of 2232421222 is about 47248.5049710570. The cubic root of 2232421222 is about 1306.9492206912.

Adding to 2232421222 its reverse (2221242322), we get a palindrome (4453663544).

The spelling of 2232421222 in words is "two billion, two hundred thirty-two million, four hundred twenty-one thousand, two hundred twenty-two".