225150277 has 4 divisors (see below), whose sum is σ = 245618496. Its totient is φ = 204682060.

The previous prime is 225150271. The next prime is 225150319. The reversal of 225150277 is 772051522.

225150277 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 de Polignac number, because none of the positive numbers 2^k-225150277 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225150271) 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, 10234093 + ... + 10234114.

It is an arithmetic number, because the mean of its divisors is an integer number (61404624).

Almost surely, 2^225150277 is an apocalyptic number.

It is an amenable number.

225150277 is a deficient number, since it is larger than the sum of its proper divisors (20468219).

225150277 is a wasteful number, since it uses less digits than its factorization.

225150277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20468218.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 225150277 is about 15005.0083971986. The cubic root of 225150277 is about 608.3555790618.

The spelling of 225150277 in words is "two hundred twenty-five million, one hundred fifty thousand, two hundred seventy-seven".