10306222 has 4 divisors (see below), whose sum is σ = 15459336. Its totient is φ = 5153110.

The previous prime is 10306217. The next prime is 10306243. The reversal of 10306222 is 22260301.

10306222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 10306196 and 10306205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2576554 + ... + 2576557.

It is an arithmetic number, because the mean of its divisors is an integer number (3864834).

Almost surely, 2^10306222 is an apocalyptic number.

10306222 is a deficient number, since it is larger than the sum of its proper divisors (5153114).

10306222 is an equidigital number, since it uses as much as digits as its factorization.

10306222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153113.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 10306222 is about 3210.3305125797. The cubic root of 10306222 is about 217.6205136505.

Adding to 10306222 its reverse (22260301), we get a palindrome (32566523).

The spelling of 10306222 in words is "ten million, three hundred six thousand, two hundred twenty-two".