1447122264 has 128 divisors (see below), whose sum is σ = 4257792000. Its totient is φ = 401330304.

The previous prime is 1447122247. The next prime is 1447122311. The reversal of 1447122264 is 4622217441.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 821817 + ... + 823575.

It is an arithmetic number, because the mean of its divisors is an integer number (33264000).

Almost surely, 2^1447122264 is an apocalyptic number.

1447122264 is a gapful number since it is divisible by the number (14) 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 1447122264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2128896000).

1447122264 is an abundant number, since it is smaller than the sum of its proper divisors (2810669736).

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

1447122264 is a wasteful number, since it uses less digits than its factorization.

1447122264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917 (or 1913 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 1447122264 is about 38041.0602375906. The cubic root of 1447122264 is about 1131.1019255980.

The spelling of 1447122264 in words is "one billion, four hundred forty-seven million, one hundred twenty-two thousand, two hundred sixty-four".