10222397 has 8 divisors (see below), whose sum is σ = 10565976. Its totient is φ = 9882432.

The previous prime is 10222393. The next prime is 10222403. The reversal of 10222397 is 79322201.

It can be written as a sum of positive squares in 4 ways, for example, as 4239481 + 5982916 = 2059^2 + 2446^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10222397 - 2² = 10222393 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 (10222393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5603 + ... + 7199.

It is an arithmetic number, because the mean of its divisors is an integer number (1320747).

Almost surely, 2^10222397 is an apocalyptic number.

It is an amenable number.

10222397 is a deficient number, since it is larger than the sum of its proper divisors (343579).

10222397 is a wasteful number, since it uses less digits than its factorization.

10222397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 10222397 is about 3197.2483481894. The cubic root of 10222397 is about 217.0289059443.

Adding to 10222397 its reverse (79322201), we get a palindrome (89544598).

The spelling of 10222397 in words is "ten million, two hundred twenty-two thousand, three hundred ninety-seven".