67989222 has 48 divisors (see below), whose sum is σ = 178263072. Its totient is φ = 18282240.

The previous prime is 67989221. The next prime is 67989223. The reversal of 67989222 is 22298976.

It is an interprime number because it is at equal distance from previous prime (67989221) and next prime (67989223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67989221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13729 + ... + 18012.

It is an arithmetic number, because the mean of its divisors is an integer number (3713814).

Almost surely, 2^67989222 is an apocalyptic number.

67989222 is an abundant number, since it is smaller than the sum of its proper divisors (110273850).

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

67989222 is a wasteful number, since it uses less digits than its factorization.

67989222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31773 (or 31770 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 67989222 is about 8245.5577130962. The cubic root of 67989222 is about 408.1439443078.

The spelling of 67989222 in words is "sixty-seven million, nine hundred eighty-nine thousand, two hundred twenty-two".