13697222 has 32 divisors (see below), whose sum is σ = 26507520. Its totient is φ = 5150880.

The previous prime is 13697221. The next prime is 13697237. The reversal of 13697222 is 22279631.

It is a happy number.

It is a super-2 number, since 2×13697222² = 375227781034568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13697221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2933 + ... + 5999.

It is an arithmetic number, because the mean of its divisors is an integer number (828360).

Almost surely, 2^13697222 is an apocalyptic number.

13697222 is a deficient number, since it is larger than the sum of its proper divisors (12810298).

13697222 is a wasteful number, since it uses less digits than its factorization.

13697222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116.

The product of its digits is 9072, while the sum is 32.

The square root of 13697222 is about 3700.9758172677. The cubic root of 13697222 is about 239.2640767289.

The spelling of 13697222 in words is "thirteen million, six hundred ninety-seven thousand, two hundred twenty-two".