225842737 has 4 divisors (see below), whose sum is σ = 229670640. Its totient is φ = 222014836.

The previous prime is 225842723. The next prime is 225842741. The reversal of 225842737 is 737248522.

225842737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225842737 - 2¹⁹ = 225318449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225842737.

It is not an unprimeable number, because it can be changed into a prime (225842237) 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, 1913863 + ... + 1913980.

It is an arithmetic number, because the mean of its divisors is an integer number (57417660).

Almost surely, 2^225842737 is an apocalyptic number.

It is an amenable number.

225842737 is a deficient number, since it is larger than the sum of its proper divisors (3827903).

225842737 is an equidigital number, since it uses as much as digits as its factorization.

225842737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827902.

The product of its digits is 188160, while the sum is 40.

The square root of 225842737 is about 15028.0649785659. The cubic root of 225842737 is about 608.9786159303.

The spelling of 225842737 in words is "two hundred twenty-five million, eight hundred forty-two thousand, seven hundred thirty-seven".