225034861 has 4 divisors (see below), whose sum is σ = 226026432. Its totient is φ = 224043292.

The previous prime is 225034811. The next prime is 225034883. The reversal of 225034861 is 168430522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225034861 - 2⁹ = 225034349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225034801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495445 + ... + 495898.

It is an arithmetic number, because the mean of its divisors is an integer number (56506608).

Almost surely, 2^225034861 is an apocalyptic number.

It is an amenable number.

225034861 is a deficient number, since it is larger than the sum of its proper divisors (991571).

225034861 is an equidigital number, since it uses as much as digits as its factorization.

225034861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991570.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 225034861 is about 15001.1619883261. The cubic root of 225034861 is about 608.2516100305.

The spelling of 225034861 in words is "two hundred twenty-five million, thirty-four thousand, eight hundred sixty-one".