22202987 has 2 divisors, whose sum is σ = 22202988. Its totient is φ = 22202986.

The previous prime is 22202977. The next prime is 22203011. The reversal of 22202987 is 78920222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22202987 - 2¹⁴ = 22186603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22202927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101493 + 11101494.

It is an arithmetic number, because the mean of its divisors is an integer number (11101494).

Almost surely, 2^22202987 is an apocalyptic number.

22202987 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202987 is an equidigital number, since it uses as much as digits as its factorization.

22202987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22202987 is about 4712.0045628161. The cubic root of 22202987 is about 281.0630802774.

The spelling of 22202987 in words is "twenty-two million, two hundred two thousand, nine hundred eighty-seven".