70008220 has 48 divisors (see below), whose sum is σ = 151603200. Its totient is φ = 27144000.

The previous prime is 70008209. The next prime is 70008223. The reversal of 70008220 is 2280007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70008223) 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 15 ways as a sum of consecutive naturals, for example, 92845 + ... + 93595.

It is an arithmetic number, because the mean of its divisors is an integer number (3158400).

Almost surely, 2^70008220 is an apocalyptic number.

It is an amenable number.

70008220 is an abundant number, since it is smaller than the sum of its proper divisors (81594980).

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

70008220 is a wasteful number, since it uses less digits than its factorization.

70008220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 70008220 is about 8367.0914898787. The cubic root of 70008220 is about 412.1446612376.

Adding to 70008220 its reverse (2280007), we get a palindrome (72288227).

The spelling of 70008220 in words is "seventy million, eight thousand, two hundred twenty".