7218229914 has 24 divisors (see below), whose sum is σ = 17873712480. Its totient is φ = 2062351368.

The previous prime is 7218229913. The next prime is 7218229919. The reversal of 7218229914 is 4199228127.

It is a self number, because there is not a number n which added to its sum of digits gives 7218229914.

It is not an unprimeable number, because it can be changed into a prime (7218229913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28643644 + ... + 28643895.

It is an arithmetic number, because the mean of its divisors is an integer number (744738020).

Almost surely, 2^7218229914 is an apocalyptic number.

7218229914 is an abundant number, since it is smaller than the sum of its proper divisors (10655482566).

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

7218229914 is a wasteful number, since it uses less digits than its factorization.

7218229914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57287554 (or 57287551 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 7218229914 is about 84960.1666311925. The cubic root of 7218229914 is about 1932.6070983446.

The spelling of 7218229914 in words is "seven billion, two hundred eighteen million, two hundred twenty-nine thousand, nine hundred fourteen".