1055431222 has 8 divisors (see below), whose sum is σ = 1651979376. Its totient is φ = 504771432.

The previous prime is 1055431207. The next prime is 1055431271. The reversal of 1055431222 is 2221345501.

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

It is a super-2 number, since 2×1055431222² = 2227870128744826568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11472033 + ... + 11472124.

It is an arithmetic number, because the mean of its divisors is an integer number (206497422).

Almost surely, 2^1055431222 is an apocalyptic number.

1055431222 is a deficient number, since it is larger than the sum of its proper divisors (596548154).

1055431222 is a wasteful number, since it uses less digits than its factorization.

1055431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22944182.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1055431222 is about 32487.4009733004. The cubic root of 1055431222 is about 1018.1458118843.

Adding to 1055431222 its reverse (2221345501), we get a palindrome (3276776723).

The spelling of 1055431222 in words is "one billion, fifty-five million, four hundred thirty-one thousand, two hundred twenty-two".