1421222232 has 32 divisors (see below), whose sum is σ = 3556468080. Its totient is φ = 473285760.

The previous prime is 1421222203. The next prime is 1421222261. The reversal of 1421222232 is 2322221241.

It is an interprime number because it is at equal distance from previous prime (1421222203) and next prime (1421222261).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1421222199 and 1421222208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443 + ... + 53370.

Almost surely, 2^1421222232 is an apocalyptic number.

1421222232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421222232 is an abundant number, since it is smaller than the sum of its proper divisors (2135245848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421222232 is a wasteful number, since it uses less digits than its factorization.

1421222232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56883 (or 56879 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 1421222232 is about 37699.1012094453. The cubic root of 1421222232 is about 1124.3132551405.

Adding to 1421222232 its reverse (2322221241), we get a palindrome (3743443473).

Subtracting 1421222232 from its reverse (2322221241), we obtain a palindrome (900999009).

The spelling of 1421222232 in words is "one billion, four hundred twenty-one million, two hundred twenty-two thousand, two hundred thirty-two".