1421223322 has 4 divisors (see below), whose sum is σ = 2131834986. Its totient is φ = 710611660.

The previous prime is 1421223283. The next prime is 1421223347. The reversal of 1421223322 is 2233221241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2233221241 = 29 ⋅77007629.

It can be written as a sum of positive squares in only one way, i.e., 1153213681 + 268009641 = 33959^2 + 16371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1421223293 and 1421223302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355305829 + ... + 355305832.

Almost surely, 2^1421223322 is an apocalyptic number.

1421223322 is a deficient number, since it is larger than the sum of its proper divisors (710611664).

1421223322 is an equidigital number, since it uses as much as digits as its factorization.

1421223322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710611663.

The product of its digits is 1152, while the sum is 22.

The square root of 1421223322 is about 37699.1156660206. The cubic root of 1421223322 is about 1124.3135425694.

Adding to 1421223322 its reverse (2233221241), we get a palindrome (3654444563).

The spelling of 1421223322 in words is "one billion, four hundred twenty-one million, two hundred twenty-three thousand, three hundred twenty-two".