70228845 has 24 divisors (see below), whose sum is σ = 128138400. Its totient is φ = 35483616.

The previous prime is 70228811. The next prime is 70228897. The reversal of 70228845 is 54882207.

It is a happy number.

It is not a de Polignac number, because 70228845 - 2¹³ = 70220653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40215 + ... + 41924.

It is an arithmetic number, because the mean of its divisors is an integer number (5339100).

Almost surely, 2^70228845 is an apocalyptic number.

It is an amenable number.

70228845 is a deficient number, since it is larger than the sum of its proper divisors (57909555).

70228845 is a wasteful number, since it uses less digits than its factorization.

70228845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82169 (or 82166 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 70228845 is about 8380.2652106004. The cubic root of 70228845 is about 412.5771536124.

The spelling of 70228845 in words is "seventy million, two hundred twenty-eight thousand, eight hundred forty-five".