226221716 has 48 divisors (see below), whose sum is σ = 464303616. Its totient is φ = 94431744.

The previous prime is 226221701. The next prime is 226221823. The reversal of 226221716 is 617122622.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522236 + ... + 522668.

It is an arithmetic number, because the mean of its divisors is an integer number (9672992).

Almost surely, 2^226221716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226221716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232151808).

226221716 is an abundant number, since it is smaller than the sum of its proper divisors (238081900).

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

226221716 is a wasteful number, since it uses less digits than its factorization.

226221716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 886 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 226221716 is about 15040.6687351328. The cubic root of 226221716 is about 609.3190609918.

The spelling of 226221716 in words is "two hundred twenty-six million, two hundred twenty-one thousand, seven hundred sixteen".