225552773 has 4 divisors (see below), whose sum is σ = 227066700. Its totient is φ = 224038848.

The previous prime is 225552763. The next prime is 225552779. The reversal of 225552773 is 377255522.

225552773 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.

It can be written as a sum of positive squares in 2 ways, for example, as 101163364 + 124389409 = 10058^2 + 11153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225552773 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 (225552779) 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, 756740 + ... + 757037.

It is an arithmetic number, because the mean of its divisors is an integer number (56766675).

Almost surely, 2^225552773 is an apocalyptic number.

It is an amenable number.

225552773 is a deficient number, since it is larger than the sum of its proper divisors (1513927).

225552773 is a wasteful number, since it uses less digits than its factorization.

225552773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513926.

The product of its digits is 147000, while the sum is 38.

The square root of 225552773 is about 15018.4144635844. The cubic root of 225552773 is about 608.7178777075.

The spelling of 225552773 in words is "two hundred twenty-five million, five hundred fifty-two thousand, seven hundred seventy-three".