225215430 has 32 divisors (see below), whose sum is σ = 589655808. Its totient is φ = 54597600.

The previous prime is 225215429. The next prime is 225215453. The reversal of 225215430 is 34512522.

225215430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 225215430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340906 + ... + 341565.

It is an arithmetic number, because the mean of its divisors is an integer number (18426744).

Almost surely, 2^225215430 is an apocalyptic number.

225215430 is an abundant number, since it is smaller than the sum of its proper divisors (364440378).

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

225215430 is a wasteful number, since it uses less digits than its factorization.

225215430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682492.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225215430 is about 15007.1792819304. The cubic root of 225215430 is about 608.4142544925.

Adding to 225215430 its reverse (34512522), we get a palindrome (259727952).

The spelling of 225215430 in words is "two hundred twenty-five million, two hundred fifteen thousand, four hundred thirty".