78030022 has 8 divisors (see below), whose sum is σ = 133765776. Its totient is φ = 33441432.

The previous prime is 78029989. The next prime is 78030023. The reversal of 78030022 is 22003087.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 78029975 and 78030002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78030023) 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, 2786773 + ... + 2786800.

It is an arithmetic number, because the mean of its divisors is an integer number (16720722).

Almost surely, 2^78030022 is an apocalyptic number.

78030022 is a deficient number, since it is larger than the sum of its proper divisors (55735754).

78030022 is a wasteful number, since it uses less digits than its factorization.

78030022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573582.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 78030022 is about 8833.4603638665. The cubic root of 78030022 is about 427.3206789839.

The spelling of 78030022 in words is "seventy-eight million, thirty thousand, twenty-two".