13222774 has 8 divisors (see below), whose sum is σ = 19944288. Its totient is φ = 6574680.

The previous prime is 13222763. The next prime is 13222777. The reversal of 13222774 is 47722231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17902 + ... + 18625.

It is an arithmetic number, because the mean of its divisors is an integer number (2493036).

Almost surely, 2^13222774 is an apocalyptic number.

13222774 is a deficient number, since it is larger than the sum of its proper divisors (6721514).

13222774 is a wasteful number, since it uses less digits than its factorization.

13222774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36710.

The product of its digits is 4704, while the sum is 28.

The square root of 13222774 is about 3636.3132428326. The cubic root of 13222774 is about 236.4689874366.

It can be divided in two parts, 1322 and 2774, that added together give a 12-th power (4096 = 2¹²).

The spelling of 13222774 in words is "thirteen million, two hundred twenty-two thousand, seven hundred seventy-four".