225206364 has 12 divisors (see below), whose sum is σ = 525481544. Its totient is φ = 75068784.

The previous prime is 225206357. The next prime is 225206389. The reversal of 225206364 is 463602522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×225206364² = 101435812772200992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9383587 + ... + 9383610.

Almost surely, 2^225206364 is an apocalyptic number.

It is an amenable number.

225206364 is an abundant number, since it is smaller than the sum of its proper divisors (300275180).

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

225206364 is a wasteful number, since it uses less digits than its factorization.

225206364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18767204 (or 18767202 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 225206364 is about 15006.8772234599. The cubic root of 225206364 is about 608.4060905201.

Adding to 225206364 its reverse (463602522), we get a palindrome (688808886).

The spelling of 225206364 in words is "two hundred twenty-five million, two hundred six thousand, three hundred sixty-four".