10381222 has 4 divisors (see below), whose sum is σ = 15571836. Its totient is φ = 5190610.

The previous prime is 10381207. The next prime is 10381223. The reversal of 10381222 is 22218301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22218301 = 7 ⋅3174043.

It is a self number, because there is not a number n which added to its sum of digits gives 10381222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10381223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2595304 + ... + 2595307.

It is an arithmetic number, because the mean of its divisors is an integer number (3892959).

Almost surely, 2^10381222 is an apocalyptic number.

10381222 is a deficient number, since it is larger than the sum of its proper divisors (5190614).

10381222 is an equidigital number, since it uses as much as digits as its factorization.

10381222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190613.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 10381222 is about 3221.9903786324. The cubic root of 10381222 is about 218.1471245446.

Adding to 10381222 its reverse (22218301), we get a palindrome (32599523).

The spelling of 10381222 in words is "ten million, three hundred eighty-one thousand, two hundred twenty-two".