67213422 has 32 divisors (see below), whose sum is σ = 150370560. Its totient is φ = 22253400.

The previous prime is 67213411. The next prime is 67213439. The reversal of 67213422 is 22431276.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4033 + ... + 12275.

It is an arithmetic number, because the mean of its divisors is an integer number (4699080).

Almost surely, 2^67213422 is an apocalyptic number.

67213422 is an abundant number, since it is smaller than the sum of its proper divisors (83157138).

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

67213422 is a wasteful number, since it uses less digits than its factorization.

67213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405 (or 8399 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 67213422 is about 8198.3792300674. The cubic root of 67213422 is about 406.5856085270.

Adding to 67213422 its reverse (22431276), we get a palindrome (89644698).

The spelling of 67213422 in words is "sixty-seven million, two hundred thirteen thousand, four hundred twenty-two".