1347322284 has 144 divisors (see below), whose sum is σ = 4496034816. Its totient is φ = 329356800.

The previous prime is 1347322283. The next prime is 1347322321. The reversal of 1347322284 is 4822237431.

It is a happy number.

1347322284 is a `hidden beast` number, since 1 + 347 + 32 + 2 + 284 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1347322283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32829 + ... + 61419.

It is an arithmetic number, because the mean of its divisors is an integer number (31222464).

Almost surely, 2^1347322284 is an apocalyptic number.

1347322284 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 1347322284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2248017408).

1347322284 is an abundant number, since it is smaller than the sum of its proper divisors (3148712532).

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

1347322284 is a wasteful number, since it uses less digits than its factorization.

1347322284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28636 (or 28631 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 1347322284 is about 36705.8889553161. Note that the first 3 decimals coincide. The cubic root of 1347322284 is about 1104.4782407378.

The spelling of 1347322284 in words is "one billion, three hundred forty-seven million, three hundred twenty-two thousand, two hundred eighty-four".