226664220 has 48 divisors (see below), whose sum is σ = 651819168. Its totient is φ = 58809600.

The previous prime is 226664209. The next prime is 226664293. The reversal of 226664220 is 22466622.

226664220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 48831 + ... + 53270.

It is an arithmetic number, because the mean of its divisors is an integer number (13579566).

Almost surely, 2^226664220 is an apocalyptic number.

226664220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226664220 is an abundant number, since it is smaller than the sum of its proper divisors (425154948).

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

226664220 is a wasteful number, since it uses less digits than its factorization.

226664220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102150 (or 102148 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 226664220 is about 15055.3717987966. The cubic root of 226664220 is about 609.7160911199.

The spelling of 226664220 in words is "two hundred twenty-six million, six hundred sixty-four thousand, two hundred twenty".