1321733322 has 64 divisors (see below), whose sum is σ = 3615010560. Its totient is φ = 348587712.

The previous prime is 1321733243. The next prime is 1321733327. The reversal of 1321733322 is 2233371231.

1321733322 is a `hidden beast` number, since 1 + 321 + 7 + 3 + 332 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is not an unprimeable number, because it can be changed into a prime (1321733327) by changing a digit.

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, 129573 + ... + 139400.

It is an arithmetic number, because the mean of its divisors is an integer number (56484540).

Almost surely, 2^1321733322 is an apocalyptic number.

1321733322 is an abundant number, since it is smaller than the sum of its proper divisors (2293277238).

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

1321733322 is a wasteful number, since it uses less digits than its factorization.

1321733322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269004 (or 268998 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 1321733322 is about 36355.6504824216. The cubic root of 1321733322 is about 1097.4412487511.

The spelling of 1321733322 in words is "one billion, three hundred twenty-one million, seven hundred thirty-three thousand, three hundred twenty-two".