201622253 has 8 divisors (see below), whose sum is σ = 230870208. Its totient is φ = 172485504.

The previous prime is 201622249. The next prime is 201622259. The reversal of 201622253 is 352226102.

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 201622253 - 2² = 201622249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201622259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23876 + ... + 31197.

It is an arithmetic number, because the mean of its divisors is an integer number (28858776).

Almost surely, 2^201622253 is an apocalyptic number.

It is an amenable number.

201622253 is a deficient number, since it is larger than the sum of its proper divisors (29247955).

201622253 is an equidigital number, since it uses as much as digits as its factorization.

201622253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55603.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 201622253 is about 14199.3750918834. The cubic root of 201622253 is about 586.3804572354.

Adding to 201622253 its reverse (352226102), we get a palindrome (553848355).

The spelling of 201622253 in words is "two hundred one million, six hundred twenty-two thousand, two hundred fifty-three".