226639504 has 120 divisors (see below), whose sum is σ = 565906488. Its totient is φ = 87091200.

The previous prime is 226639487. The next prime is 226639537. The reversal of 226639504 is 405936622.

It can be written as a sum of positive squares in 4 ways, for example, as 74857104 + 151782400 = 8652^2 + 12320^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376804 + ... + 377404.

Almost surely, 2^226639504 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 226639504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282953244).

226639504 is an abundant number, since it is smaller than the sum of its proper divisors (339266984).

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

226639504 is a wasteful number, since it uses less digits than its factorization.

226639504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 226639504 is about 15054.5509398321. The cubic root of 226639504 is about 609.6939286885.

The spelling of 226639504 in words is "two hundred twenty-six million, six hundred thirty-nine thousand, five hundred four".