227838121 has 4 divisors (see below), whose sum is σ = 260386432. Its totient is φ = 195289812.

The previous prime is 227838103. The next prime is 227838137. The reversal of 227838121 is 121838722.

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 227838121 - 2¹⁹ = 227313833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227838421) 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, 16274145 + ... + 16274158.

It is an arithmetic number, because the mean of its divisors is an integer number (65096608).

Almost surely, 2^227838121 is an apocalyptic number.

It is an amenable number.

227838121 is a deficient number, since it is larger than the sum of its proper divisors (32548311).

227838121 is an equidigital number, since it uses as much as digits as its factorization.

227838121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32548310.

The product of its digits is 10752, while the sum is 34.

The square root of 227838121 is about 15094.3075694117. The cubic root of 227838121 is about 610.7668587089.

The spelling of 227838121 in words is "two hundred twenty-seven million, eight hundred thirty-eight thousand, one hundred twenty-one".