71373222 has 48 divisors (see below), whose sum is σ = 163992192. Its totient is φ = 22394880.

The previous prime is 71373221. The next prime is 71373223. The reversal of 71373222 is 22237317.

It is a happy number.

71373222 is a `hidden beast` number, since 71 + 373 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (71373221) and next prime (71373223).

It is a super-2 number, since 2×71373222² = 10188273637322568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71373221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18918 + ... + 22374.

It is an arithmetic number, because the mean of its divisors is an integer number (3416504).

Almost surely, 2^71373222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71373222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81996096).

71373222 is an abundant number, since it is smaller than the sum of its proper divisors (92618970).

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

71373222 is a wasteful number, since it uses less digits than its factorization.

71373222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533 (or 3530 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 71373222 is about 8448.2673963364. The cubic root of 71373222 is about 414.8060679989.

The spelling of 71373222 in words is "seventy-one million, three hundred seventy-three thousand, two hundred twenty-two".