227142428266 has 16 divisors (see below), whose sum is σ = 375871712328. Its totient is φ = 102278016000.

The previous prime is 227142428237. The next prime is 227142428291. The reversal of 227142428266 is 662824241722.

It can be written as a sum of positive squares in 4 ways, for example, as 100853880625 + 126288547641 = 317575^2 + 355371^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106538535 + ... + 106540666.

Almost surely, 2^227142428266 is an apocalyptic number.

227142428266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

227142428266 is a deficient number, since it is larger than the sum of its proper divisors (148729284062).

227142428266 is a wasteful number, since it uses less digits than its factorization.

227142428266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213079257.

The product of its digits is 1032192, while the sum is 46.

Adding to 227142428266 its reverse (662824241722), we get a palindrome (889966669988).

The spelling of 227142428266 in words is "two hundred twenty-seven billion, one hundred forty-two million, four hundred twenty-eight thousand, two hundred sixty-six".