202200991 has 2 divisors, whose sum is σ = 202200992. Its totient is φ = 202200990.

The previous prime is 202200923. The next prime is 202201039. The reversal of 202200991 is 199002202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202200991 - 2¹⁵ = 202168223 is a prime.

It is a super-2 number, since 2×202200991² = 81770481522764162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202204991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100495 + 101100496.

It is an arithmetic number, because the mean of its divisors is an integer number (101100496).

Almost surely, 2^202200991 is an apocalyptic number.

202200991 is a deficient number, since it is larger than the sum of its proper divisors (1).

202200991 is an equidigital number, since it uses as much as digits as its factorization.

202200991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 202200991 is about 14219.7394842522. The cubic root of 202200991 is about 586.9409715367.

The spelling of 202200991 in words is "two hundred two million, two hundred thousand, nine hundred ninety-one".