201122224 has 10 divisors (see below), whose sum is σ = 389674340. Its totient is φ = 100561104.

The previous prime is 201122183. The next prime is 201122237. The reversal of 201122224 is 422221102.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 12570139 = 201122224 / (2 + 0 + 1 + 1 + 2 + 2 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 201122198 and 201122207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285054 + ... + 6285085.

It is an arithmetic number, because the mean of its divisors is an integer number (38967434).

Almost surely, 2^201122224 is an apocalyptic number.

It is an amenable number.

201122224 is a deficient number, since it is larger than the sum of its proper divisors (188552116).

201122224 is a wasteful number, since it uses less digits than its factorization.

201122224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12570147 (or 12570141 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 201122224 is about 14181.7567318016. The cubic root of 201122224 is about 585.8953091408.

Adding to 201122224 its reverse (422221102), we get a palindrome (623343326).

The spelling of 201122224 in words is "two hundred one million, one hundred twenty-two thousand, two hundred twenty-four".