2231431222 has 8 divisors (see below), whose sum is σ = 3350923056. Its totient is φ = 1114456872.

The previous prime is 2231431219. The next prime is 2231431259. The reversal of 2231431222 is 2221341322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2231431222³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231431193 and 2231431202.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 627153 + ... + 630700.

It is an arithmetic number, because the mean of its divisors is an integer number (418865382).

Almost surely, 2^2231431222 is an apocalyptic number.

2231431222 is a deficient number, since it is larger than the sum of its proper divisors (1119491834).

2231431222 is a wasteful number, since it uses less digits than its factorization.

2231431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258742.

The product of its digits is 1152, while the sum is 22.

The square root of 2231431222 is about 47238.0272873455. The cubic root of 2231431222 is about 1306.7559968459.

Adding to 2231431222 its reverse (2221341322), we get a palindrome (4452772544).

The spelling of 2231431222 in words is "two billion, two hundred thirty-one million, four hundred thirty-one thousand, two hundred twenty-two".