201222052 has 6 divisors (see below), whose sum is σ = 352138598. Its totient is φ = 100611024.

The previous prime is 201222041. The next prime is 201222053. The reversal of 201222052 is 250222102.

201222052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 129413376 + 71808676 = 11376^2 + 8474^2 .

It is a super-2 number, since 2×201222052² = 80980628422181408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201222053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25152753 + ... + 25152760.

Almost surely, 2^201222052 is an apocalyptic number.

It is an amenable number.

201222052 is a deficient number, since it is larger than the sum of its proper divisors (150916546).

201222052 is a wasteful number, since it uses less digits than its factorization.

201222052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50305517 (or 50305515 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 201222052 is about 14185.2758873418. The cubic root of 201222052 is about 585.9922304413.

Adding to 201222052 its reverse (250222102), we get a palindrome (451444154).

Subtracting 201222052 from its reverse (250222102), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 201222052 in words is "two hundred one million, two hundred twenty-two thousand, fifty-two".