13225542 has 24 divisors (see below), whose sum is σ = 29075928. Its totient is φ = 4007520.

The previous prime is 13225517. The next prime is 13225549. The reversal of 13225542 is 24552231.

13225542 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13225542² = 349829922387528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8383 + ... + 9834.

It is an arithmetic number, because the mean of its divisors is an integer number (1211497).

Almost surely, 2^13225542 is an apocalyptic number.

13225542 is an abundant number, since it is smaller than the sum of its proper divisors (15850386).

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

13225542 is a wasteful number, since it uses less digits than its factorization.

13225542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18244 (or 18233 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 13225542 is about 3636.6938281907. The cubic root of 13225542 is about 236.4854867604.

Adding to 13225542 its reverse (24552231), we get a palindrome (37777773).

The spelling of 13225542 in words is "thirteen million, two hundred twenty-five thousand, five hundred forty-two".