10222805 has 4 divisors (see below), whose sum is σ = 12267372. Its totient is φ = 8178240.

The previous prime is 10222801. The next prime is 10222813. The reversal of 10222805 is 50822201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3179089 + 7043716 = 1783^2 + 2654^2 .

It is not a de Polignac number, because 10222805 - 2² = 10222801 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 (10222801) 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, 1022276 + ... + 1022285.

It is an arithmetic number, because the mean of its divisors is an integer number (3066843).

Almost surely, 2^10222805 is an apocalyptic number.

It is an amenable number.

10222805 is a deficient number, since it is larger than the sum of its proper divisors (2044567).

10222805 is an equidigital number, since it uses as much as digits as its factorization.

10222805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044566.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 10222805 is about 3197.3121524180. The cubic root of 10222805 is about 217.0317932846.

The spelling of 10222805 in words is "ten million, two hundred twenty-two thousand, eight hundred five".