227342561 has 16 divisors (see below), whose sum is σ = 239500800. Its totient is φ = 215535360.

The previous prime is 227342537. The next prime is 227342567. The reversal of 227342561 is 165243722.

It is a cyclic number.

It is not a de Polignac number, because 227342561 - 2¹⁸ = 227080417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (227342567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383081 + ... + 383673.

It is an arithmetic number, because the mean of its divisors is an integer number (14968800).

Almost surely, 2^227342561 is an apocalyptic number.

It is an amenable number.

227342561 is a deficient number, since it is larger than the sum of its proper divisors (12158239).

227342561 is a wasteful number, since it uses less digits than its factorization.

227342561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its digits is 20160, while the sum is 32.

The square root of 227342561 is about 15077.8831737084. The cubic root of 227342561 is about 610.3237204974.

The spelling of 227342561 in words is "two hundred twenty-seven million, three hundred forty-two thousand, five hundred sixty-one".