201648222 has 24 divisors (see below), whose sum is σ = 455901264. Its totient is φ = 64293504.

The previous prime is 201648193. The next prime is 201648247. The reversal of 201648222 is 222846102.

It is a happy number.

It is a super-2 number, since 2×201648222² = 81324010871522568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243123 + ... + 243950.

It is an arithmetic number, because the mean of its divisors is an integer number (18995886).

Almost surely, 2^201648222 is an apocalyptic number.

201648222 is an abundant number, since it is smaller than the sum of its proper divisors (254253042).

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

201648222 is a wasteful number, since it uses less digits than its factorization.

201648222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487104 (or 487101 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 201648222 is about 14200.2895040911. The cubic root of 201648222 is about 586.4056314744.

The spelling of 201648222 in words is "two hundred one million, six hundred forty-eight thousand, two hundred twenty-two".