13501222 has 8 divisors (see below), whose sum is σ = 23144976. Its totient is φ = 5786232.

The previous prime is 13501219. The next prime is 13501249. The reversal of 13501222 is 22210531.

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

It is a junction number, because it is equal to n+sod(n) for n = 13501196 and 13501205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482173 + ... + 482200.

It is an arithmetic number, because the mean of its divisors is an integer number (2893122).

Almost surely, 2^13501222 is an apocalyptic number.

13501222 is a deficient number, since it is larger than the sum of its proper divisors (9643754).

13501222 is an equidigital number, since it uses as much as digits as its factorization.

13501222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964382.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13501222 is about 3674.4009035488. The cubic root of 13501222 is about 238.1173420380.

Adding to 13501222 its reverse (22210531), we get a palindrome (35711753).

The spelling of 13501222 in words is "thirteen million, five hundred one thousand, two hundred twenty-two".