70218282 has 24 divisors (see below), whose sum is σ = 143712576. Its totient is φ = 22862184.

The previous prime is 70218277. The next prime is 70218289. The reversal of 70218282 is 28281207.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70218289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140469 + ... + 140967.

It is an arithmetic number, because the mean of its divisors is an integer number (5988024).

Almost surely, 2^70218282 is an apocalyptic number.

70218282 is an abundant number, since it is smaller than the sum of its proper divisors (73494294).

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

70218282 is an equidigital number, since it uses as much as digits as its factorization.

70218282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 70218282 is about 8379.6349562496. The cubic root of 70218282 is about 412.5564675682.

Adding to 70218282 its reverse (28281207), we get a palindrome (98499489).

It can be divided in two parts, 70218 and 282, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 70218282 in words is "seventy million, two hundred eighteen thousand, two hundred eighty-two".