226571436 has 288 divisors, whose sum is σ = 767090688. Its totient is φ = 54743040.

The previous prime is 226571407. The next prime is 226571479. The reversal of 226571436 is 634175622.

It is a super-2 number, since 2×226571436² = 102669231222204192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 226571436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2335740 + ... + 2335836.

Almost surely, 2^226571436 is an apocalyptic number.

226571436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226571436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383545344).

226571436 is an abundant number, since it is smaller than the sum of its proper divisors (540519252).

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

226571436 is a wasteful number, since it uses less digits than its factorization.

226571436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 176 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 226571436 is about 15052.2900583267. The cubic root of 226571436 is about 609.6328849001.

The spelling of 226571436 in words is "two hundred twenty-six million, five hundred seventy-one thousand, four hundred thirty-six".