67228412 has 6 divisors (see below), whose sum is σ = 117649728. Its totient is φ = 33614204.

The previous prime is 67228411. The next prime is 67228453. The reversal of 67228412 is 21482276.

It is a super-3 number, since 3×67228412³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67228411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8403548 + ... + 8403555.

It is an arithmetic number, because the mean of its divisors is an integer number (19608288).

Almost surely, 2^67228412 is an apocalyptic number.

It is an amenable number.

67228412 is a deficient number, since it is larger than the sum of its proper divisors (50421316).

67228412 is a wasteful number, since it uses less digits than its factorization.

67228412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16807107 (or 16807105 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 67228412 is about 8199.2933841887. The cubic root of 67228412 is about 406.6158319807.

The spelling of 67228412 in words is "sixty-seven million, two hundred twenty-eight thousand, four hundred twelve".