13422421418 has 8 divisors (see below), whose sum is σ = 23009865312. Its totient is φ = 5752466316.

The previous prime is 13422421373. The next prime is 13422421487. The reversal of 13422421418 is 81412422431.

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

It is a super-2 number, since 2×13422421418² (a number of 21 digits) contains 22 as substring.

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, 479372180 + ... + 479372207.

It is an arithmetic number, because the mean of its divisors is an integer number (2876233164).

Almost surely, 2^13422421418 is an apocalyptic number.

13422421418 is a deficient number, since it is larger than the sum of its proper divisors (9587443894).

13422421418 is an equidigital number, since it uses as much as digits as its factorization.

13422421418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958744396.

The product of its digits is 12288, while the sum is 32.

Adding to 13422421418 its reverse (81412422431), we get a palindrome (94834843849).

The spelling of 13422421418 in words is "thirteen billion, four hundred twenty-two million, four hundred twenty-one thousand, four hundred eighteen".