70118220 has 24 divisors (see below), whose sum is σ = 196331184. Its totient is φ = 18698176.

The previous prime is 70118203. The next prime is 70118221. The reversal of 70118220 is 2281107.

It is not an unprimeable number, because it can be changed into a prime (70118221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584259 + ... + 584378.

It is an arithmetic number, because the mean of its divisors is an integer number (8180466).

Almost surely, 2^70118220 is an apocalyptic number.

It is an amenable number.

70118220 is an abundant number, since it is smaller than the sum of its proper divisors (126212964).

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

70118220 is a wasteful number, since it uses less digits than its factorization.

70118220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168649 (or 1168647 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 70118220 is about 8373.6622812244. The cubic root of 70118220 is about 412.3604082306.

Adding to 70118220 its reverse (2281107), we get a palindrome (72399327).

The spelling of 70118220 in words is "seventy million, one hundred eighteen thousand, two hundred twenty".