226678790 has 32 divisors (see below), whose sum is σ = 454567680. Its totient is φ = 80809344.

The previous prime is 226678783. The next prime is 226678807. The reversal of 226678790 is 97876622.

226678790 = 1340² + 1341² + ... + 1455².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26294 + ... + 33833.

It is an arithmetic number, because the mean of its divisors is an integer number (14205240).

Almost surely, 2^226678790 is an apocalyptic number.

226678790 is an abundant number, since it is smaller than the sum of its proper divisors (227888890).

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

226678790 is a wasteful number, since it uses less digits than its factorization.

226678790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60176.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 226678790 is about 15055.8556714655. The cubic root of 226678790 is about 609.7291550449.

The spelling of 226678790 in words is "two hundred twenty-six million, six hundred seventy-eight thousand, seven hundred ninety".