226223790 has 64 divisors (see below), whose sum is σ = 587284992. Its totient is φ = 55440000.

The previous prime is 226223779. The next prime is 226223819. The reversal of 226223790 is 97322622.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 96735 + ... + 99045.

It is an arithmetic number, because the mean of its divisors is an integer number (9176328).

Almost surely, 2^226223790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226223790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293642496).

226223790 is an abundant number, since it is smaller than the sum of its proper divisors (361061202).

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

226223790 is a wasteful number, since it uses less digits than its factorization.

226223790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 226223790 is about 15040.7376813772. The cubic root of 226223790 is about 609.3209230645.

The spelling of 226223790 in words is "two hundred twenty-six million, two hundred twenty-three thousand, seven hundred ninety".