225411639 has 8 divisors (see below), whose sum is σ = 301575792. Its totient is φ = 149760960.

The previous prime is 225411629. The next prime is 225411643. The reversal of 225411639 is 936114522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225411639 - 2⁹ = 225411127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225411629) 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, 127342 + ... + 129099.

It is an arithmetic number, because the mean of its divisors is an integer number (37696974).

Almost surely, 2^225411639 is an apocalyptic number.

225411639 is a deficient number, since it is larger than the sum of its proper divisors (76164153).

225411639 is a wasteful number, since it uses less digits than its factorization.

225411639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256737.

The product of its digits is 12960, while the sum is 33.

The square root of 225411639 is about 15013.7150299318. The cubic root of 225411639 is about 608.5908878935.

The spelling of 225411639 in words is "two hundred twenty-five million, four hundred eleven thousand, six hundred thirty-nine".