214778822608 has 20 divisors (see below), whose sum is σ = 475581678880. Its totient is φ = 92048066784.

The previous prime is 214778822603. The next prime is 214778822611. The reversal of 214778822608 is 806228877412.

It is a super-2 number, since 2×214778822608² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214778822603) by changing a digit.

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, 958833918 + ... + 958834141.

It is an arithmetic number, because the mean of its divisors is an integer number (23779083944).

Almost surely, 2^214778822608 is an apocalyptic number.

214778822608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

214778822608 is an abundant number, since it is smaller than the sum of its proper divisors (260802856272).

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

214778822608 is a wasteful number, since it uses less digits than its factorization.

214778822608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917668074 (or 1917668068 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 214778822608 in words is "two hundred fourteen billion, seven hundred seventy-eight million, eight hundred twenty-two thousand, six hundred eight".