227125520 has 20 divisors (see below), whose sum is σ = 528067020. Its totient is φ = 90850176.

The previous prime is 227125519. The next prime is 227125537. The reversal of 227125520 is 25521722.

It can be written as a sum of positive squares in 2 ways, for example, as 132802576 + 94322944 = 11524^2 + 9712^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 227125520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419455 + ... + 1419614.

It is an arithmetic number, because the mean of its divisors is an integer number (26403351).

Almost surely, 2^227125520 is an apocalyptic number.

227125520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227125520 is an abundant number, since it is smaller than the sum of its proper divisors (300941500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227125520 is a wasteful number, since it uses less digits than its factorization.

227125520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839082 (or 2839076 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 227125520 is about 15070.6841251484. The cubic root of 227125520 is about 610.1294359389.

The spelling of 227125520 in words is "two hundred twenty-seven million, one hundred twenty-five thousand, five hundred twenty".