1423221334 has 32 divisors (see below), whose sum is σ = 2391552000. Its totient is φ = 631255680.

The previous prime is 1423221323. The next prime is 1423221337. The reversal of 1423221334 is 4331223241.

It is a junction number, because it is equal to n+sod(n) for n = 1423221299 and 1423221308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423221337) 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, 123019 + ... + 134089.

It is an arithmetic number, because the mean of its divisors is an integer number (74736000).

Almost surely, 2^1423221334 is an apocalyptic number.

1423221334 is a deficient number, since it is larger than the sum of its proper divisors (968330666).

1423221334 is a wasteful number, since it uses less digits than its factorization.

1423221334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11308.

The product of its digits is 3456, while the sum is 25.

The square root of 1423221334 is about 37725.6058135585. The cubic root of 1423221334 is about 1124.8401640247.

Adding to 1423221334 its reverse (4331223241), we get a palindrome (5754444575).

The spelling of 1423221334 in words is "one billion, four hundred twenty-three million, two hundred twenty-one thousand, three hundred thirty-four".