13664022 has 32 divisors (see below), whose sum is σ = 29224800. Its totient is φ = 4243968.

The previous prime is 13663999. The next prime is 13664069. The reversal of 13664022 is 22046631.

It is a junction number, because it is equal to n+sod(n) for n = 13663983 and 13664001.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10504 + ... + 11732.

It is an arithmetic number, because the mean of its divisors is an integer number (913275).

Almost surely, 2^13664022 is an apocalyptic number.

13664022 is an abundant number, since it is smaller than the sum of its proper divisors (15560778).

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

13664022 is a wasteful number, since it uses less digits than its factorization.

13664022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13664022 is about 3696.4877924863. The cubic root of 13664022 is about 239.0706069872.

The spelling of 13664022 in words is "thirteen million, six hundred sixty-four thousand, twenty-two".