40570228 has 24 divisors (see below), whose sum is σ = 76599432. Its totient is φ = 18729984.

The previous prime is 40570223. The next prime is 40570247. The reversal of 40570228 is 82207504.

40570228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22829284 + 17740944 = 4778^2 + 4212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40570196 and 40570205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40570223) 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, 2025 + ... + 9232.

It is an arithmetic number, because the mean of its divisors is an integer number (3191643).

Almost surely, 2^40570228 is an apocalyptic number.

It is an amenable number.

40570228 is a deficient number, since it is larger than the sum of its proper divisors (36029204).

40570228 is a wasteful number, since it uses less digits than its factorization.

40570228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11331 (or 11329 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 40570228 is about 6369.4762736037. The cubic root of 40570228 is about 343.6126544200.

The spelling of 40570228 in words is "forty million, five hundred seventy thousand, two hundred twenty-eight".