5165256222 has 64 divisors (see below), whose sum is σ = 13139965440. Its totient is φ = 1473329088.

The previous prime is 5165256221. The next prime is 5165256223. The reversal of 5165256222 is 2226525615.

5165256222 is a `hidden beast` number, since 5 + 1 + 6 + 5 + 25 + 622 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (5165256221) and next prime (5165256223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165256221) 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, 222153 + ... + 244299.

It is an arithmetic number, because the mean of its divisors is an integer number (205311960).

Almost surely, 2^5165256222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5165256222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6569982720).

5165256222 is an abundant number, since it is smaller than the sum of its proper divisors (7974709218).

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

5165256222 is a wasteful number, since it uses less digits than its factorization.

5165256222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22782 (or 22776 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 5165256222 is about 71869.7170023648. The cubic root of 5165256222 is about 1728.6110698108.

The spelling of 5165256222 in words is "five billion, one hundred sixty-five million, two hundred fifty-six thousand, two hundred twenty-two".