226661826 has 32 divisors (see below), whose sum is σ = 473776128. Its totient is φ = 72155600.

The previous prime is 226661779. The next prime is 226661837. The reversal of 226661826 is 628166622.

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, 158125 + ... + 159551.

It is an arithmetic number, because the mean of its divisors is an integer number (14805504).

Almost surely, 2^226661826 is an apocalyptic number.

226661826 is an abundant number, since it is smaller than the sum of its proper divisors (247114302).

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

226661826 is a wasteful number, since it uses less digits than its factorization.

226661826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606.

The product of its digits is 82944, while the sum is 39.

The square root of 226661826 is about 15055.2922920812. The cubic root of 226661826 is about 609.7139445298.

The spelling of 226661826 in words is "two hundred twenty-six million, six hundred sixty-one thousand, eight hundred twenty-six".