78022300 has 18 divisors (see below), whose sum is σ = 169308608. Its totient is φ = 31208880.

The previous prime is 78022291. The next prime is 78022349. The reversal of 78022300 is 322087.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 390012 + ... + 390211.

Almost surely, 2^78022300 is an apocalyptic number.

It is an amenable number.

78022300 is an abundant number, since it is smaller than the sum of its proper divisors (91286308).

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

78022300 is a wasteful number, since it uses less digits than its factorization.

78022300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780237 (or 780230 counting only the distinct ones).

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

The square root of 78022300 is about 8833.0232649982. The cubic root of 78022300 is about 427.3065823621.

Adding to 78022300 its reverse (322087), we get a palindrome (78344387).

The spelling of 78022300 in words is "seventy-eight million, twenty-two thousand, three hundred".