322630649 has 12 divisors (see below), whose sum is σ = 355971840. Its totient is φ = 292188600.

The previous prime is 322630613. The next prime is 322630687. The reversal of 322630649 is 946036223.

It is not a de Polignac number, because 322630649 - 2¹² = 322626553 is a prime.

It is a super-2 number, since 2×322630649² = 208181071348322402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322639649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27872 + ... + 37710.

It is an arithmetic number, because the mean of its divisors is an integer number (29664320).

Almost surely, 2^322630649 is an apocalyptic number.

It is an amenable number.

322630649 is a deficient number, since it is larger than the sum of its proper divisors (33341191).

322630649 is a wasteful number, since it uses less digits than its factorization.

322630649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10132 (or 10121 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 322630649 is about 17961.9221966915. The cubic root of 322630649 is about 685.8595769491.

The spelling of 322630649 in words is "three hundred twenty-two million, six hundred thirty thousand, six hundred forty-nine".