226475520 has 160 divisors (see below), whose sum is σ = 744514848. Its totient is φ = 58687488.

The previous prime is 226475507. The next prime is 226475521. The reversal of 226475520 is 25574622.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×226475520² = 102582322318540800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226475521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283762 + ... + 284558.

Almost surely, 2^226475520 is an apocalyptic number.

226475520 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 226475520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372257424).

226475520 is an abundant number, since it is smaller than the sum of its proper divisors (518039328).

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

226475520 is an equidigital number, since it uses as much as digits as its factorization.

226475520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 226475520 is about 15049.1036277913. The cubic root of 226475520 is about 609.5468461035.

The spelling of 226475520 in words is "two hundred twenty-six million, four hundred seventy-five thousand, five hundred twenty".