226130520 has 128 divisors (see below), whose sum is σ = 845821440. Its totient is φ = 46986240.

The previous prime is 226130501. The next prime is 226130537. The reversal of 226130520 is 25031622.

It is a super-2 number, since 2×226130520² = 102270024150940800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2997 + ... + 21476.

It is an arithmetic number, because the mean of its divisors is an integer number (6607980).

Almost surely, 2^226130520 is an apocalyptic number.

226130520 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 226130520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422910720).

226130520 is an abundant number, since it is smaller than the sum of its proper divisors (619690920).

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

226130520 is a wasteful number, since it uses less digits than its factorization.

226130520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24505 (or 24501 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 226130520 is about 15037.6367824203. The cubic root of 226130520 is about 609.2371724053.

The spelling of 226130520 in words is "two hundred twenty-six million, one hundred thirty thousand, five hundred twenty".