227522525 has 6 divisors (see below), whose sum is σ = 282127962. Its totient is φ = 182018000.

The previous prime is 227522513. The next prime is 227522539. The reversal of 227522525 is 525225722.

It can be written as a sum of positive squares in 3 ways, for example, as 54257956 + 173264569 = 7366^2 + 13163^2 .

It is not a de Polignac number, because 227522525 - 2⁶ = 227522461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227522491 and 227522500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4550426 + ... + 4550475.

It is an arithmetic number, because the mean of its divisors is an integer number (47021327).

Almost surely, 2^227522525 is an apocalyptic number.

227522525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

227522525 is a deficient number, since it is larger than the sum of its proper divisors (54605437).

227522525 is an equidigital number, since it uses as much as digits as its factorization.

227522525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100911 (or 9100906 counting only the distinct ones).

The product of its digits is 28000, while the sum is 32.

The square root of 227522525 is about 15083.8498069956. The cubic root of 227522525 is about 610.4847217756.

The spelling of 227522525 in words is "two hundred twenty-seven million, five hundred twenty-two thousand, five hundred twenty-five".