78552022 has 8 divisors (see below), whose sum is σ = 118317672. Its totient is φ = 39112800.

The previous prime is 78551987. The next prime is 78552029. The reversal of 78552022 is 22025587.

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 (78552029) 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, 81004 + ... + 81967.

It is an arithmetic number, because the mean of its divisors is an integer number (14789709).

Almost surely, 2^78552022 is an apocalyptic number.

78552022 is a deficient number, since it is larger than the sum of its proper divisors (39765650).

78552022 is a wasteful number, since it uses less digits than its factorization.

78552022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163214.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 78552022 is about 8862.9578584127. The cubic root of 78552022 is about 428.2714490512.

The spelling of 78552022 in words is "seventy-eight million, five hundred fifty-two thousand, twenty-two".