1422847272 has 256 divisors, whose sum is σ = 4615833600. Its totient is φ = 354816000.

The previous prime is 1422847267. The next prime is 1422847277. The reversal of 1422847272 is 2727482241.

1422847272 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1422847267) and next prime (1422847277).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1422847272.

It is not an unprimeable number, because it can be changed into a prime (1422847277) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6743247 + ... + 6743457.

It is an arithmetic number, because the mean of its divisors is an integer number (18030600).

Almost surely, 2^1422847272 is an apocalyptic number.

1422847272 is a gapful number since it is divisible by the number (12) 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 1422847272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2307916800).

1422847272 is an abundant number, since it is smaller than the sum of its proper divisors (3192986328).

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

1422847272 is a wasteful number, since it uses less digits than its factorization.

1422847272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 364 counting only the distinct ones).

The product of its digits is 100352, while the sum is 39.

The square root of 1422847272 is about 37720.6478205240. The cubic root of 1422847272 is about 1124.7416090027.

The spelling of 1422847272 in words is "one billion, four hundred twenty-two million, eight hundred forty-seven thousand, two hundred seventy-two".