10156222 has 16 divisors (see below), whose sum is σ = 16117200. Its totient is φ = 4786560.

The previous prime is 10156217. The next prime is 10156229. The reversal of 10156222 is 22265101.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 10156222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10156229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8604 + ... + 9712.

It is an arithmetic number, because the mean of its divisors is an integer number (1007325).

Almost surely, 2^10156222 is an apocalyptic number.

10156222 is a deficient number, since it is larger than the sum of its proper divisors (5960978).

10156222 is a wasteful number, since it uses less digits than its factorization.

10156222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10156222 is about 3186.8828029910. The cubic root of 10156222 is about 216.5595773222.

The spelling of 10156222 in words is "ten million, one hundred fifty-six thousand, two hundred twenty-two".