227464973309 has 4 divisors (see below), whose sum is σ = 259959969504. Its totient is φ = 194969977116.

The previous prime is 227464973227. The next prime is 227464973321. The reversal of 227464973309 is 903379464722.

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 227464973309 - 2¹⁶ = 227464907773 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 (227464973389) 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, 16247498087 + ... + 16247498100.

It is an arithmetic number, because the mean of its divisors is an integer number (64989992376).

Almost surely, 2^227464973309 is an apocalyptic number.

It is an amenable number.

227464973309 is a deficient number, since it is larger than the sum of its proper divisors (32494996195).

227464973309 is an equidigital number, since it uses as much as digits as its factorization.

227464973309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32494996194.

The product of its (nonzero) digits is 13716864, while the sum is 56.

The spelling of 227464973309 in words is "two hundred twenty-seven billion, four hundred sixty-four million, nine hundred seventy-three thousand, three hundred nine".