1421223324 has 48 divisors (see below), whose sum is σ = 3513920256. Its totient is φ = 445536000.

The previous prime is 1421223283. The next prime is 1421223347. The reversal of 1421223324 is 4233221241.

It is a happy number.

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 = 1421223294 and 1421223303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519039 + ... + 521769.

It is an arithmetic number, because the mean of its divisors is an integer number (73206672).

Almost surely, 2^1421223324 is an apocalyptic number.

It is an amenable number.

1421223324 is an abundant number, since it is smaller than the sum of its proper divisors (2092696932).

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

1421223324 is a wasteful number, since it uses less digits than its factorization.

1421223324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306 (or 5304 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 1421223324 is about 37699.1156925464. The cubic root of 1421223324 is about 1124.3135430968.

Adding to 1421223324 its reverse (4233221241), we get a palindrome (5654444565).

The spelling of 1421223324 in words is "one billion, four hundred twenty-one million, two hundred twenty-three thousand, three hundred twenty-four".