227368021 has 4 divisors (see below), whose sum is σ = 227404000. Its totient is φ = 227332044.

The previous prime is 227368007. The next prime is 227368027. The reversal of 227368021 is 120863722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 227368021 - 2⁷ = 227367893 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 (227368027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5721 + ... + 22078.

It is an arithmetic number, because the mean of its divisors is an integer number (56851000).

Almost surely, 2^227368021 is an apocalyptic number.

It is an amenable number.

227368021 is a deficient number, since it is larger than the sum of its proper divisors (35979).

227368021 is an equidigital number, since it uses as much as digits as its factorization.

227368021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35978.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 227368021 is about 15078.7274330429. The cubic root of 227368021 is about 610.3465029479.

The spelling of 227368021 in words is "two hundred twenty-seven million, three hundred sixty-eight thousand, twenty-one".