10222087 has 2 divisors, whose sum is σ = 10222088. Its totient is φ = 10222086.

The previous prime is 10222081. The next prime is 10222099. The reversal of 10222087 is 78022201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10222087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10222081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111043 + 5111044.

It is an arithmetic number, because the mean of its divisors is an integer number (5111044).

Almost surely, 2^10222087 is an apocalyptic number.

10222087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222087 is an equidigital number, since it uses as much as digits as its factorization.

10222087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 10222087 is about 3197.1998686351. The cubic root of 10222087 is about 217.0267120805.

Adding to 10222087 its reverse (78022201), we get a palindrome (88244288).

The spelling of 10222087 in words is "ten million, two hundred twenty-two thousand, eighty-seven".