225021470206 has 32 divisors (see below), whose sum is σ = 384009161760. Its totient is φ = 98034696576.

The previous prime is 225021470197. The next prime is 225021470213. The reversal of 225021470206 is 602074120522.

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, 685381 + ... + 959056.

It is an arithmetic number, because the mean of its divisors is an integer number (12000286305).

Almost surely, 2^225021470206 is an apocalyptic number.

225021470206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

225021470206 is a deficient number, since it is larger than the sum of its proper divisors (158987691554).

225021470206 is a wasteful number, since it uses less digits than its factorization.

225021470206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644748.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 225021470206 its reverse (602074120522), we get a palindrome (827095590728).

The spelling of 225021470206 in words is "two hundred twenty-five billion, twenty-one million, four hundred seventy thousand, two hundred six".