13222542 has 16 divisors (see below), whose sum is σ = 27160272. Its totient is φ = 4288320.

The previous prime is 13222511. The next prime is 13222553. The reversal of 13222542 is 24522231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29559 + ... + 30002.

It is an arithmetic number, because the mean of its divisors is an integer number (1697517).

Almost surely, 2^13222542 is an apocalyptic number.

13222542 is an abundant number, since it is smaller than the sum of its proper divisors (13937730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13222542 is a wasteful number, since it uses less digits than its factorization.

13222542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59603.

The product of its digits is 960, while the sum is 21.

The square root of 13222542 is about 3636.2813422506. The cubic root of 13222542 is about 236.4676044407.

Adding to 13222542 its reverse (24522231), we get a palindrome (37744773).

The spelling of 13222542 in words is "thirteen million, two hundred twenty-two thousand, five hundred forty-two".