78222350662 has 8 divisors (see below), whose sum is σ = 120062212776. Its totient is φ = 38201613072.

The previous prime is 78222350639. The next prime is 78222350683. The reversal of 78222350662 is 26605322287.

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

It is a super-2 number, since 2×78222350662² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454781023 + ... + 454781194.

It is an arithmetic number, because the mean of its divisors is an integer number (15007776597).

Almost surely, 2^78222350662 is an apocalyptic number.

78222350662 is a deficient number, since it is larger than the sum of its proper divisors (41839862114).

78222350662 is a wasteful number, since it uses less digits than its factorization.

78222350662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909562262.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 78222350662 in words is "seventy-eight billion, two hundred twenty-two million, three hundred fifty thousand, six hundred sixty-two".