1322774712 has 320 divisors, whose sum is σ = 4572057600. Its totient is φ = 348986880.

The previous prime is 1322774711. The next prime is 1322774771. The reversal of 1322774712 is 2174772231.

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 (1322774711) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3233964 + ... + 3234372.

It is an arithmetic number, because the mean of its divisors is an integer number (14287680).

Almost surely, 2^1322774712 is an apocalyptic number.

1322774712 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 1322774712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2286028800).

1322774712 is an abundant number, since it is smaller than the sum of its proper divisors (3249282888).

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

1322774712 is a wasteful number, since it uses less digits than its factorization.

1322774712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 475 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 1322774712 is about 36369.9699202515. The cubic root of 1322774712 is about 1097.7293967209.

The spelling of 1322774712 in words is "one billion, three hundred twenty-two million, seven hundred seventy-four thousand, seven hundred twelve".