611226 has 80 divisors (see below), whose sum is σ = 1742400. Its totient is φ = 158760.

The previous prime is 611213. The next prime is 611257. The reversal of 611226 is 622116.

It is a happy number.

611226 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 (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 611199 and 611208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55561 + ... + 55571.

It is an arithmetic number, because the mean of its divisors is an integer number (21780).

611226 is a Friedman number, since it can be written as 66*21^(2+1), using all its digits and the basic arithmetic operations.

2⁶¹¹²²⁶ is an apocalyptic number.

611226 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 611226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871200).

611226 is an abundant number, since it is smaller than the sum of its proper divisors (1131174).

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

611226 is a wasteful number, since it uses less digits than its factorization.

611226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46 (or 23 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 611226 is about 781.8094396974. The cubic root of 611226 is about 84.8660404331.

The spelling of 611226 in words is "six hundred eleven thousand, two hundred twenty-six".