227099421 has 6 divisors (see below), whose sum is σ = 328032510. Its totient is φ = 151399608.

The previous prime is 227099399. The next prime is 227099449. The reversal of 227099421 is 124990722.

227099421 is a `hidden beast` number, since 227 + 0 + 9 + 9 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 206496900 + 20602521 = 14370^2 + 4539^2 .

It is not a de Polignac number, because 227099421 - 2¹³ = 227091229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227099461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12616626 + ... + 12616643.

It is an arithmetic number, because the mean of its divisors is an integer number (54672085).

Almost surely, 2^227099421 is an apocalyptic number.

It is an amenable number.

227099421 is a deficient number, since it is larger than the sum of its proper divisors (100933089).

227099421 is a wasteful number, since it uses less digits than its factorization.

227099421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25233275 (or 25233272 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 227099421 is about 15069.8182139003. The cubic root of 227099421 is about 610.1060650467.

The spelling of 227099421 in words is "two hundred twenty-seven million, ninety-nine thousand, four hundred twenty-one".