613222806 has 64 divisors (see below), whose sum is σ = 1468569600. Its totient is φ = 166997376.

The previous prime is 613222801. The next prime is 613222807. The reversal of 613222806 is 608222316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613222801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93036 + ... + 99408.

It is an arithmetic number, because the mean of its divisors is an integer number (22946400).

Almost surely, 2^613222806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613222806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734284800).

613222806 is an abundant number, since it is smaller than the sum of its proper divisors (855346794).

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

613222806 is a wasteful number, since it uses less digits than its factorization.

613222806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 613222806 is about 24763.3359222864. The cubic root of 613222806 is about 849.5835588664.

The spelling of 613222806 in words is "six hundred thirteen million, two hundred twenty-two thousand, eight hundred six".