78922022 has 8 divisors (see below), whose sum is σ = 119178000. Its totient is φ = 39196024.

The previous prime is 78921989. The next prime is 78922031. The reversal of 78922022 is 22022987.

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

It is a self number, because there is not a number n which added to its sum of digits gives 78922022.

It is a congruent number.

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, 132122 + ... + 132717.

It is an arithmetic number, because the mean of its divisors is an integer number (14897250).

Almost surely, 2^78922022 is an apocalyptic number.

78922022 is a deficient number, since it is larger than the sum of its proper divisors (40255978).

78922022 is a wasteful number, since it uses less digits than its factorization.

78922022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264990.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 78922022 is about 8883.8067290999. The cubic root of 78922022 is about 428.9428185242.

The spelling of 78922022 in words is "seventy-eight million, nine hundred twenty-two thousand, twenty-two".