226515860 has 12 divisors (see below), whose sum is σ = 475683348. Its totient is φ = 90606336.

The previous prime is 226515859. The next prime is 226515901. The reversal of 226515860 is 68515622.

It can be written as a sum of positive squares in 2 ways, for example, as 38167684 + 188348176 = 6178^2 + 13724^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 226515860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5662877 + ... + 5662916.

It is an arithmetic number, because the mean of its divisors is an integer number (39640279).

Almost surely, 2^226515860 is an apocalyptic number.

226515860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226515860 is an abundant number, since it is smaller than the sum of its proper divisors (249167488).

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

226515860 is a wasteful number, since it uses less digits than its factorization.

226515860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325802 (or 11325800 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 226515860 is about 15050.4438472757. The cubic root of 226515860 is about 609.5830349449.

The spelling of 226515860 in words is "two hundred twenty-six million, five hundred fifteen thousand, eight hundred sixty".