226277740 has 48 divisors (see below), whose sum is σ = 522652032. Its totient is φ = 81766656.

The previous prime is 226277719. The next prime is 226277743. The reversal of 226277740 is 47772622.

It is a self number, because there is not a number n which added to its sum of digits gives 226277740.

It is not an unprimeable number, because it can be changed into a prime (226277743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962 + ... + 21478.

It is an arithmetic number, because the mean of its divisors is an integer number (10888584).

Almost surely, 2^226277740 is an apocalyptic number.

226277740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226277740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261326016).

226277740 is an abundant number, since it is smaller than the sum of its proper divisors (296374292).

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

226277740 is a wasteful number, since it uses less digits than its factorization.

226277740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18586 (or 18584 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 226277740 is about 15042.5310370296. The cubic root of 226277740 is about 609.3693563010.

The spelling of 226277740 in words is "two hundred twenty-six million, two hundred seventy-seven thousand, seven hundred forty".