1422369216 has 84 divisors (see below), whose sum is σ = 4097782000. Its totient is φ = 471702528.

The previous prime is 1422369211. The next prime is 1422369229. The reversal of 1422369216 is 6129632241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422369211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108420 + ... + 120828.

Almost surely, 2^1422369216 is an apocalyptic number.

1422369216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422369216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048891000).

1422369216 is an abundant number, since it is smaller than the sum of its proper divisors (2675412784).

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

1422369216 is a wasteful number, since it uses less digits than its factorization.

1422369216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626 (or 12613 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1422369216 is about 37714.3104934984. The cubic root of 1422369216 is about 1124.6156292824.

The spelling of 1422369216 in words is "one billion, four hundred twenty-two million, three hundred sixty-nine thousand, two hundred sixteen".