225562277 has 4 divisors (see below), whose sum is σ = 225789516. Its totient is φ = 225335040.

The previous prime is 225562247. The next prime is 225562291. The reversal of 225562277 is 772265522.

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 183169156 + 42393121 = 13534^2 + 6511^2 .

It is a cyclic number.

It is not a de Polignac number, because 225562277 - 2¹² = 225558181 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 225562277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225562247) 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, 112124 + ... + 114117.

It is an arithmetic number, because the mean of its divisors is an integer number (56447379).

Almost surely, 2^225562277 is an apocalyptic number.

It is an amenable number.

225562277 is a deficient number, since it is larger than the sum of its proper divisors (227239).

225562277 is an equidigital number, since it uses as much as digits as its factorization.

225562277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227238.

The product of its digits is 117600, while the sum is 38.

The square root of 225562277 is about 15018.7308718147. The cubic root of 225562277 is about 608.7264273304.

The spelling of 225562277 in words is "two hundred twenty-five million, five hundred sixty-two thousand, two hundred seventy-seven".