200252221 has 8 divisors (see below), whose sum is σ = 223093080. Its totient is φ = 178473792.

The previous prime is 200252209. The next prime is 200252249. The reversal of 200252221 is 122252002.

It can be written as a sum of positive squares in 4 ways, for example, as 11492100 + 188760121 = 3390^2 + 13739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200252221 - 2⁵ = 200252189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200252195 and 200252204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200252821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265210 + ... + 265963.

It is an arithmetic number, because the mean of its divisors is an integer number (27886635).

Almost surely, 2^200252221 is an apocalyptic number.

It is an amenable number.

200252221 is a deficient number, since it is larger than the sum of its proper divisors (22840859).

200252221 is a wasteful number, since it uses less digits than its factorization.

200252221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531215.

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

The square root of 200252221 is about 14151.0501730437. The cubic root of 200252221 is about 585.0492772672.

The spelling of 200252221 in words is "two hundred million, two hundred fifty-two thousand, two hundred twenty-one".