13422330 has 48 divisors (see below), whose sum is σ = 35085960. Its totient is φ = 3560064.

The previous prime is 13422329. The next prime is 13422361. The reversal of 13422330 is 3322431.

It can be written as a sum of positive squares in 4 ways, for example, as 13417569 + 4761 = 3663^2 + 69^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26116 + ... + 26624.

Almost surely, 2^13422330 is an apocalyptic number.

13422330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13422330 is an abundant number, since it is smaller than the sum of its proper divisors (21663630).

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

13422330 is a wasteful number, since it uses less digits than its factorization.

13422330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13422330 is about 3663.6498195106. The cubic root of 13422330 is about 237.6526368775.

Adding to 13422330 its reverse (3322431), we get a palindrome (16744761).

The spelling of 13422330 in words is "thirteen million, four hundred twenty-two thousand, three hundred thirty".