201501226 has 4 divisors (see below), whose sum is σ = 302251842. Its totient is φ = 100750612.

The previous prime is 201501191. The next prime is 201501233. The reversal of 201501226 is 622105102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 176491225 + 25010001 = 13285^2 + 5001^2 .

It is a super-3 number, since 3×201501226³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50375305 + ... + 50375308.

Almost surely, 2^201501226 is an apocalyptic number.

201501226 is a deficient number, since it is larger than the sum of its proper divisors (100750616).

201501226 is a wasteful number, since it uses less digits than its factorization.

201501226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100750615.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 201501226 is about 14195.1127505209. The cubic root of 201501226 is about 586.2631056516.

Adding to 201501226 its reverse (622105102), we get a palindrome (823606328).

The spelling of 201501226 in words is "two hundred one million, five hundred one thousand, two hundred twenty-six".