226618340 has 48 divisors (see below), whose sum is σ = 526379952. Its totient is φ = 81409536.

The previous prime is 226618291. The next prime is 226618367. The reversal of 226618340 is 43816622.

It can be written as a sum of positive squares in 8 ways, for example, as 35736484 + 190881856 = 5978^2 + 13816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 226618297 and 226618306.

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, 2159 + ... + 21398.

It is an arithmetic number, because the mean of its divisors is an integer number (10966249).

Almost surely, 2^226618340 is an apocalyptic number.

226618340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226618340 is an abundant number, since it is smaller than the sum of its proper divisors (299761612).

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

226618340 is a wasteful number, since it uses less digits than its factorization.

226618340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23616 (or 23614 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 226618340 is about 15053.8480130497. The cubic root of 226618340 is about 609.6749499965.

The spelling of 226618340 in words is "two hundred twenty-six million, six hundred eighteen thousand, three hundred forty".