201500226 has 24 divisors (see below), whose sum is σ = 437536944. Its totient is φ = 67020120.

The previous prime is 201500213. The next prime is 201500227. The reversal of 201500226 is 622005102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201500199 and 201500208.

It is not an unprimeable number, because it can be changed into a prime (201500227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3580 + ... + 20391.

It is an arithmetic number, because the mean of its divisors is an integer number (18230706).

Almost surely, 2^201500226 is an apocalyptic number.

201500226 is an abundant number, since it is smaller than the sum of its proper divisors (236036718).

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

201500226 is a wasteful number, since it uses less digits than its factorization.

201500226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24446 (or 24443 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 201500226 is about 14195.0775270866. The cubic root of 201500226 is about 586.2621358244.

Adding to 201500226 its reverse (622005102), we get a palindrome (823505328).

It can be divided in two parts, 2015002 and 26, that added together give a triangular number (2015028 = T₂₀₀₇).

The spelling of 201500226 in words is "two hundred one million, five hundred thousand, two hundred twenty-six".