227305225543421 has 6 divisors (see below), whose sum is σ = 228762251234010. Its totient is φ = 225857421534576.

The previous prime is 227305225543381. The next prime is 227305225543457. The reversal of 227305225543421 is 124345522503722.

It can be written as a sum of positive squares in 3 ways, for example, as 9110672155321 + 218194553388100 = 3018389^2 + 14771410^2 .

It is not a de Polignac number, because 227305225543421 - 2²² = 227305221349117 is a prime.

It is a super-3 number, since 3×227305225543421³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227305225549421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4610816066 + ... + 4610865363.

It is an arithmetic number, because the mean of its divisors is an integer number (38127041872335).

Almost surely, 2^{227305225543421} is an apocalyptic number.

It is an amenable number.

227305225543421 is a deficient number, since it is larger than the sum of its proper divisors (1457025690589).

227305225543421 is an frugal number, since it uses more digits than its factorization.

227305225543421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9221681743 (or 9221681586 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 47.

The spelling of 227305225543421 in words is "two hundred twenty-seven trillion, three hundred five billion, two hundred twenty-five million, five hundred forty-three thousand, four hundred twenty-one".