227641421 has 8 divisors (see below), whose sum is σ = 261011520. Its totient is φ = 194483808.

The previous prime is 227641391. The next prime is 227641493. The reversal of 227641421 is 124146722.

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 227641421 - 2⁶ = 227641357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227641321) 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, 50816 + ... + 55113.

It is an arithmetic number, because the mean of its divisors is an integer number (32626440).

Almost surely, 2^227641421 is an apocalyptic number.

It is an amenable number.

227641421 is a deficient number, since it is larger than the sum of its proper divisors (33370099).

227641421 is a wasteful number, since it uses less digits than its factorization.

227641421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106243.

The product of its digits is 5376, while the sum is 29.

The square root of 227641421 is about 15087.7904611643. The cubic root of 227641421 is about 610.5910431926.

The spelling of 227641421 in words is "two hundred twenty-seven million, six hundred forty-one thousand, four hundred twenty-one".