226654818 has 64 divisors (see below), whose sum is σ = 502951680. Its totient is φ = 67661568.

The previous prime is 226654817. The next prime is 226654837. The reversal of 226654818 is 818456622.

It is a super-2 number, since 2×226654818² = 102744813045226248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 226654818.

It is not an unprimeable number, because it can be changed into a prime (226654817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450355 + ... + 450857.

It is an arithmetic number, because the mean of its divisors is an integer number (7858620).

Almost surely, 2^226654818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226654818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251475840).

226654818 is an abundant number, since it is smaller than the sum of its proper divisors (276296862).

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

226654818 is a wasteful number, since it uses less digits than its factorization.

226654818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its digits is 184320, while the sum is 42.

The square root of 226654818 is about 15055.0595482050. The cubic root of 226654818 is about 609.7076606907.

The spelling of 226654818 in words is "two hundred twenty-six million, six hundred fifty-four thousand, eight hundred eighteen".