10222787 has 4 divisors (see below), whose sum is σ = 10667280. Its totient is φ = 9778296.

The previous prime is 10222781. The next prime is 10222801. The reversal of 10222787 is 78722201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78722201 = 211 ⋅373091.

It is a cyclic number.

It is not a de Polignac number, because 10222787 - 2²² = 6028483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10222781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222212 + ... + 222257.

It is an arithmetic number, because the mean of its divisors is an integer number (2666820).

Almost surely, 2^10222787 is an apocalyptic number.

10222787 is a deficient number, since it is larger than the sum of its proper divisors (444493).

10222787 is an equidigital number, since it uses as much as digits as its factorization.

10222787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444492.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 10222787 is about 3197.3093375524. The cubic root of 10222787 is about 217.0316659035.

Adding to 10222787 its reverse (78722201), we get a palindrome (88944988).

The spelling of 10222787 in words is "ten million, two hundred twenty-two thousand, seven hundred eighty-seven".