227725631 has 8 divisors (see below), whose sum is σ = 260434944. Its totient is φ = 195060600.

The previous prime is 227725601. The next prime is 227725643. The reversal of 227725631 is 136527722.

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

It is not a de Polignac number, because 227725631 - 2¹⁸ = 227463487 is a prime.

It is a super-2 number, since 2×227725631² = 103717926028696322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227725591 and 227725600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227725601) 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, 806 + ... + 21356.

It is an arithmetic number, because the mean of its divisors is an integer number (32554368).

Almost surely, 2^227725631 is an apocalyptic number.

227725631 is a deficient number, since it is larger than the sum of its proper divisors (32709313).

227725631 is a wasteful number, since it uses less digits than its factorization.

227725631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22141.

The product of its digits is 35280, while the sum is 35.

The square root of 227725631 is about 15090.5808701985. The cubic root of 227725631 is about 610.6663246485. Note that the first 3 decimals are identical.

The spelling of 227725631 in words is "two hundred twenty-seven million, seven hundred twenty-five thousand, six hundred thirty-one".