227557225 has 27 divisors (see below), whose sum is σ = 329003031. Its totient is φ = 155677200.

The previous prime is 227557219. The next prime is 227557271. The reversal of 227557225 is 522755722.

The square root of 227557225 is 15085.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 81920601 + 145636624 = 9051^2 + 12068^2 .

It is not a de Polignac number, because 227557225 - 2³ = 227557217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 527760 + ... + 528190.

Almost surely, 2^227557225 is an apocalyptic number.

227557225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

227557225 is the 15085-th square number.

227557225 is the 7543-rd centered octagonal number.

It is an amenable number.

227557225 is a deficient number, since it is larger than the sum of its proper divisors (101445806).

227557225 is an frugal number, since it uses more digits than its factorization.

227557225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 443 counting only the distinct ones).

The product of its digits is 98000, while the sum is 37.

The cubic root of 227557225 is about 610.5157556890.

The spelling of 227557225 in words is "two hundred twenty-seven million, five hundred fifty-seven thousand, two hundred twenty-five".