227622561 has 8 divisors (see below), whose sum is σ = 303634944. Its totient is φ = 151679280.

The previous prime is 227622539. The next prime is 227622569. The reversal of 227622561 is 165226722.

227622561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 227622561 - 2¹⁴ = 227606177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (227622569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9025 + ... + 23166.

It is an arithmetic number, because the mean of its divisors is an integer number (37954368).

Almost surely, 2^227622561 is an apocalyptic number.

It is an amenable number.

227622561 is a deficient number, since it is larger than the sum of its proper divisors (76012383).

227622561 is a wasteful number, since it uses less digits than its factorization.

227622561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34551.

The product of its digits is 20160, while the sum is 33.

The square root of 227622561 is about 15087.1654395383. The cubic root of 227622561 is about 610.5741803196.

The spelling of 227622561 in words is "two hundred twenty-seven million, six hundred twenty-two thousand, five hundred sixty-one".