201955226 has 32 divisors (see below), whose sum is σ = 346405248. Its totient is φ = 87408640.

The previous prime is 201955153. The next prime is 201955241. The reversal of 201955226 is 622559102.

It is a super-2 number, since 2×201955226² = 81571826617422152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201955192 and 201955201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129266 + ... + 130818.

It is an arithmetic number, because the mean of its divisors is an integer number (10825164).

Almost surely, 2^201955226 is an apocalyptic number.

201955226 is a deficient number, since it is larger than the sum of its proper divisors (144450022).

201955226 is a wasteful number, since it uses less digits than its factorization.

201955226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 201955226 is about 14211.0951724348. The cubic root of 201955226 is about 586.7030761810.

The spelling of 201955226 in words is "two hundred one million, nine hundred fifty-five thousand, two hundred twenty-six".