225532970 has 16 divisors (see below), whose sum is σ = 437187240. Its totient is φ = 83273664.

The previous prime is 225532969. The next prime is 225532973. The reversal of 225532970 is 79235522.

225532970 is digitally balanced in base 2 and base 3, because in such bases 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 195972001 + 29560969 = 13999^2 + 5437^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225532970.

It is not an unprimeable number, because it can be changed into a prime (225532973) 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, 867305 + ... + 867564.

Almost surely, 2^225532970 is an apocalyptic number.

225532970 is a deficient number, since it is larger than the sum of its proper divisors (211654270).

225532970 is a wasteful number, since it uses less digits than its factorization.

225532970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734889.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 225532970 is about 15017.7551584782. The cubic root of 225532970 is about 608.7000625228.

The spelling of 225532970 in words is "two hundred twenty-five million, five hundred thirty-two thousand, nine hundred seventy".