226616572 has 144 divisors (see below), whose sum is σ = 543406080. Its totient is φ = 81648000.

The previous prime is 226616561. The next prime is 226616587. The reversal of 226616572 is 275616622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1500697 + ... + 1500847.

Almost surely, 2^226616572 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 226616572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271703040).

226616572 is an abundant number, since it is smaller than the sum of its proper divisors (316789508).

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

226616572 is a wasteful number, since it uses less digits than its factorization.

226616572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 223 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 226616572 is about 15053.7892904079. The cubic root of 226616572 is about 609.6733644995.

Subtracting 226616572 from its reverse (275616622), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 226616572 in words is "two hundred twenty-six million, six hundred sixteen thousand, five hundred seventy-two".