1447722416 has 80 divisors (see below), whose sum is σ = 3259077120. Its totient is φ = 610199040.

The previous prime is 1447722389. The next prime is 1447722443. The reversal of 1447722416 is 6142277441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1447722389) and next prime (1447722443).

It is a self number, because there is not a number n which added to its sum of digits gives 1447722416.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3099815 + ... + 3100281.

It is an arithmetic number, because the mean of its divisors is an integer number (40738464).

Almost surely, 2^1447722416 is an apocalyptic number.

1447722416 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 1447722416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629538560).

1447722416 is an abundant number, since it is smaller than the sum of its proper divisors (1811354704).

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

1447722416 is a wasteful number, since it uses less digits than its factorization.

1447722416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 876 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 1447722416 is about 38048.9476332789. The cubic root of 1447722416 is about 1131.2582678964.

Adding to 1447722416 its reverse (6142277441), we get a palindrome (7589999857).

The spelling of 1447722416 in words is "one billion, four hundred forty-seven million, seven hundred twenty-two thousand, four hundred sixteen".