322661616 has 20 divisors (see below), whose sum is σ = 833542632. Its totient is φ = 107553856.

The previous prime is 322661593. The next prime is 322661617. The reversal of 322661616 is 616166223.

It is a super-2 number, since 2×322661616² = 208221036879462912, which contains 22 as substring.

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 (322661617) 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, 3361011 + ... + 3361106.

Almost surely, 2^322661616 is an apocalyptic number.

It is an amenable number.

322661616 is an abundant number, since it is smaller than the sum of its proper divisors (510881016).

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

322661616 is a wasteful number, since it uses less digits than its factorization.

322661616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722128 (or 6722122 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 322661616 is about 17962.7841939940. The cubic root of 322661616 is about 685.8815198262.

The spelling of 322661616 in words is "three hundred twenty-two million, six hundred sixty-one thousand, six hundred sixteen".