1422321420 has 48 divisors (see below), whose sum is σ = 4288848480. Its totient is φ = 350109696.

The previous prime is 1422321401. The next prime is 1422321421. The reversal of 1422321420 is 241232241.

1422321420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1422321421) 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, 910965 + ... + 912524.

It is an arithmetic number, because the mean of its divisors is an integer number (89351010).

Almost surely, 2^1422321420 is an apocalyptic number.

1422321420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422321420 is an abundant number, since it is smaller than the sum of its proper divisors (2866527060).

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

1422321420 is a wasteful number, since it uses less digits than its factorization.

1422321420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823514 (or 1823512 counting only the distinct ones).

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

The square root of 1422321420 is about 37713.6768295005. The cubic root of 1422321420 is about 1124.6030322881.

Adding to 1422321420 its reverse (241232241), we get a palindrome (1663553661).

The spelling of 1422321420 in words is "one billion, four hundred twenty-two million, three hundred twenty-one thousand, four hundred twenty".