78058222 has 8 divisors (see below), whose sum is σ = 127731672. Its totient is φ = 35481000.

The previous prime is 78058193. The next prime is 78058229. The reversal of 78058222 is 22285087.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78058229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774029 + ... + 1774072.

It is an arithmetic number, because the mean of its divisors is an integer number (15966459).

Almost surely, 2^78058222 is an apocalyptic number.

78058222 is a deficient number, since it is larger than the sum of its proper divisors (49673450).

78058222 is a wasteful number, since it uses less digits than its factorization.

78058222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548114.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 78058222 is about 8835.0564231362. The cubic root of 78058222 is about 427.3721505904.

The spelling of 78058222 in words is "seventy-eight million, fifty-eight thousand, two hundred twenty-two".