69982218 has 40 divisors (see below), whose sum is σ = 157338720. Its totient is φ = 23249160.

The previous prime is 69982181. The next prime is 69982219. The reversal of 69982218 is 81228996.

It is not an unprimeable number, because it can be changed into a prime (69982219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67363 + ... + 68393.

It is an arithmetic number, because the mean of its divisors is an integer number (3933468).

Almost surely, 2^69982218 is an apocalyptic number.

69982218 is an abundant number, since it is smaller than the sum of its proper divisors (87356502).

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

69982218 is a wasteful number, since it uses less digits than its factorization.

69982218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1455 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 69982218 is about 8365.5375200880. The cubic root of 69982218 is about 412.0936295515.

It can be divided in two parts, 6998 and 2218, that added together give a square (9216 = 96²).

The spelling of 69982218 in words is "sixty-nine million, nine hundred eighty-two thousand, two hundred eighteen".