226228690 has 32 divisors (see below), whose sum is σ = 449919360. Its totient is φ = 81464064.

The previous prime is 226228663. The next prime is 226228699. The reversal of 226228690 is 96822622.

226228690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×226228690² = 102358840358232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226228699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25020 + ... + 32839.

It is an arithmetic number, because the mean of its divisors is an integer number (14059980).

Almost surely, 2^226228690 is an apocalyptic number.

226228690 is a deficient number, since it is larger than the sum of its proper divisors (223690670).

226228690 is a wasteful number, since it uses less digits than its factorization.

226228690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57906.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 226228690 is about 15040.9005714419. The cubic root of 226228690 is about 609.3253223233.

The spelling of 226228690 in words is "two hundred twenty-six million, two hundred twenty-eight thousand, six hundred ninety".