431423222 has 8 divisors (see below), whose sum is σ = 658103400. Its totient is φ = 212055424.

The previous prime is 431423207. The next prime is 431423231. The reversal of 431423222 is 222324134.

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

It is a super-2 number, since 2×431423222² = 372251992961722568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1827947 + ... + 1828182.

It is an arithmetic number, because the mean of its divisors is an integer number (82262925).

Almost surely, 2^431423222 is an apocalyptic number.

431423222 is a deficient number, since it is larger than the sum of its proper divisors (226680178).

431423222 is a wasteful number, since it uses less digits than its factorization.

431423222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3656190.

The product of its digits is 2304, while the sum is 23.

The square root of 431423222 is about 20770.7299342127. The cubic root of 431423222 is about 755.6160473466.

Adding to 431423222 its reverse (222324134), we get a palindrome (653747356).

It can be divided in two parts, 43142 and 3222, that added together give a palindrome (46364).

The spelling of 431423222 in words is "four hundred thirty-one million, four hundred twenty-three thousand, two hundred twenty-two".