1231424222 has 32 divisors (see below), whose sum is σ = 2211686400. Its totient is φ = 503094240.

The previous prime is 1231424221. The next prime is 1231424251. The reversal of 1231424222 is 2224241321.

It is a super-2 number, since 2×1231424222² = 3032811229056610568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231424221) 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, 7904 + ... + 50252.

It is an arithmetic number, because the mean of its divisors is an integer number (69115200).

Almost surely, 2^1231424222 is an apocalyptic number.

1231424222 is a deficient number, since it is larger than the sum of its proper divisors (980262178).

1231424222 is a wasteful number, since it uses less digits than its factorization.

1231424222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42456.

The product of its digits is 1536, while the sum is 23.

The square root of 1231424222 is about 35091.6545919397. The cubic root of 1231424222 is about 1071.8546522466.

Adding to 1231424222 its reverse (2224241321), we get a palindrome (3455665543).

The spelling of 1231424222 in words is "one billion, two hundred thirty-one million, four hundred twenty-four thousand, two hundred twenty-two".