13422442 has 16 divisors (see below), whose sum is σ = 22673664. Its totient is φ = 5904000.

The previous prime is 13422439. The next prime is 13422463. The reversal of 13422442 is 24422431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9159 + ... + 10522.

It is an arithmetic number, because the mean of its divisors is an integer number (1417104).

Almost surely, 2^13422442 is an apocalyptic number.

13422442 is a deficient number, since it is larger than the sum of its proper divisors (9251222).

13422442 is a wasteful number, since it uses less digits than its factorization.

13422442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19725.

The product of its digits is 1536, while the sum is 22.

The square root of 13422442 is about 3663.6651047824. The cubic root of 13422442 is about 237.6532978909.

Adding to 13422442 its reverse (24422431), we get a palindrome (37844873).

The spelling of 13422442 in words is "thirteen million, four hundred twenty-two thousand, four hundred forty-two".