70217226 has 16 divisors (see below), whose sum is σ = 156038400. Its totient is φ = 23405724.

The previous prime is 70217221. The next prime is 70217239. The reversal of 70217226 is 62271207.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 70217226.

It is not an unprimeable number, because it can be changed into a prime (70217221) 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 7 ways as a sum of consecutive naturals, for example, 650106 + ... + 650213.

It is an arithmetic number, because the mean of its divisors is an integer number (9752400).

Almost surely, 2^70217226 is an apocalyptic number.

70217226 is an abundant number, since it is smaller than the sum of its proper divisors (85821174).

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

70217226 is a wasteful number, since it uses less digits than its factorization.

70217226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300330 (or 1300324 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 70217226 is about 8379.5719461080. The cubic root of 70217226 is about 412.5543994372.

The spelling of 70217226 in words is "seventy million, two hundred seventeen thousand, two hundred twenty-six".