225877646 has 4 divisors (see below), whose sum is σ = 338816472. Its totient is φ = 112938822.

The previous prime is 225877583. The next prime is 225877649. The reversal of 225877646 is 646778522.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 225877646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225877649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56469410 + ... + 56469413.

It is an arithmetic number, because the mean of its divisors is an integer number (84704118).

Almost surely, 2^225877646 is an apocalyptic number.

225877646 is a deficient number, since it is larger than the sum of its proper divisors (112938826).

225877646 is a wasteful number, since it uses less digits than its factorization.

225877646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112938825.

The product of its digits is 1128960, while the sum is 47.

The square root of 225877646 is about 15029.2263939299. The cubic root of 225877646 is about 609.0099913608.

The spelling of 225877646 in words is "two hundred twenty-five million, eight hundred seventy-seven thousand, six hundred forty-six".