227872845 has 80 divisors (see below), whose sum is σ = 451630080. Its totient is φ = 109334016.

The previous prime is 227872837. The next prime is 227872861. The reversal of 227872845 is 548278722.

It is not a de Polignac number, because 227872845 - 2³ = 227872837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 227872845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 157636 + ... + 159074.

It is an arithmetic number, because the mean of its divisors is an integer number (5645376).

Almost surely, 2^227872845 is an apocalyptic number.

It is an amenable number.

227872845 is a deficient number, since it is larger than the sum of its proper divisors (223757235).

227872845 is a wasteful number, since it uses less digits than its factorization.

227872845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496 (or 1487 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 227872845 is about 15095.4577605318. The cubic root of 227872845 is about 610.7978854030.

The spelling of 227872845 in words is "two hundred twenty-seven million, eight hundred seventy-two thousand, eight hundred forty-five".