13220022 has 8 divisors (see below), whose sum is σ = 26440056. Its totient is φ = 4406672.

The previous prime is 13220021. The next prime is 13220023. The reversal of 13220022 is 22002231.

It is an interprime number because it is at equal distance from previous prime (13220021) and next prime (13220023).

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

13220022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1101663 + ... + 1101674.

It is an arithmetic number, because the mean of its divisors is an integer number (3305007).

Almost surely, 2^13220022 is an apocalyptic number.

13220022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13220022 is a wasteful number, since it uses less digits than its factorization.

13220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203342.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 13220022 is about 3635.9348178976. The cubic root of 13220022 is about 236.4525812018.

Adding to 13220022 its reverse (22002231), we get a palindrome (35222253).

The spelling of 13220022 in words is "thirteen million, two hundred twenty thousand, twenty-two".