2231222422 has 32 divisors (see below), whose sum is σ = 3968745984. Its totient is φ = 927415200.

The previous prime is 2231222417. The next prime is 2231222429. The reversal of 2231222422 is 2242221322.

It is a super-3 number, since 3×2231222422³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2231222393 and 2231222402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231222429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5854 + ... + 67057.

It is an arithmetic number, because the mean of its divisors is an integer number (124023312).

Almost surely, 2^2231222422 is an apocalyptic number.

2231222422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2231222422 is a deficient number, since it is larger than the sum of its proper divisors (1737523562).

2231222422 is a wasteful number, since it uses less digits than its factorization.

2231222422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73044.

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

The square root of 2231222422 is about 47235.8171518182. The cubic root of 2231222422 is about 1306.7152368827.

Adding to 2231222422 its reverse (2242221322), we get a palindrome (4473443744).

The spelling of 2231222422 in words is "two billion, two hundred thirty-one million, two hundred twenty-two thousand, four hundred twenty-two".