227276021 has 8 divisors (see below), whose sum is σ = 259903680. Its totient is φ = 194688288.

The previous prime is 227276017. The next prime is 227276069. The reversal of 227276021 is 120672722.

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

It is a cyclic number.

It is not a de Polignac number, because 227276021 - 2² = 227276017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227276321) 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, 3425 + ... + 21593.

It is an arithmetic number, because the mean of its divisors is an integer number (32487960).

Almost surely, 2^227276021 is an apocalyptic number.

It is an amenable number.

227276021 is a deficient number, since it is larger than the sum of its proper divisors (32627659).

227276021 is a wasteful number, since it uses less digits than its factorization.

227276021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19963.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 227276021 is about 15075.6764690676. The cubic root of 227276021 is about 610.2641702708.

The spelling of 227276021 in words is "two hundred twenty-seven million, two hundred seventy-six thousand, twenty-one".