322063681 has 4 divisors (see below), whose sum is σ = 332452864. Its totient is φ = 311674500.

The previous prime is 322063667. The next prime is 322063723. The reversal of 322063681 is 186360223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 186360223 = 7 ⋅26622889.

It is a cyclic number.

It is not a de Polignac number, because 322063681 - 2¹⁷ = 321932609 is a prime.

It is a super-2 number, since 2×322063681² = 207450029238539522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 10389151 = 322063681 / (3 + 2 + 2 + 0 + 6 + 3 + 6 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322063481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5194545 + ... + 5194606.

It is an arithmetic number, because the mean of its divisors is an integer number (83113216).

Almost surely, 2^322063681 is an apocalyptic number.

322063681 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

322063681 is a deficient number, since it is larger than the sum of its proper divisors (10389183).

322063681 is a wasteful number, since it uses less digits than its factorization.

322063681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10389182.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 322063681 is about 17946.1327588982. The cubic root of 322063681 is about 685.4575812081.

The spelling of 322063681 in words is "three hundred twenty-two million, sixty-three thousand, six hundred eighty-one".