1421423322 has 32 divisors (see below), whose sum is σ = 3236129280. Its totient is φ = 412006320.

The previous prime is 1421423321. The next prime is 1421423357. The reversal of 1421423322 is 2233241241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1421423292 and 1421423301.

It is not an unprimeable number, because it can be changed into a prime (1421423321) 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, 466672 + ... + 469707.

It is an arithmetic number, because the mean of its divisors is an integer number (101129040).

Almost surely, 2^1421423322 is an apocalyptic number.

1421423322 is an abundant number, since it is smaller than the sum of its proper divisors (1814705958).

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

1421423322 is a wasteful number, since it uses less digits than its factorization.

1421423322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936418.

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

The square root of 1421423322 is about 37701.7681548227. The cubic root of 1421423322 is about 1124.3662793345.

Adding to 1421423322 its reverse (2233241241), we get a palindrome (3654664563).

The spelling of 1421423322 in words is "one billion, four hundred twenty-one million, four hundred twenty-three thousand, three hundred twenty-two".