227281430690 has 32 divisors (see below), whose sum is σ = 420318013680. Its totient is φ = 88422948864.

The previous prime is 227281430671. The next prime is 227281430707. The reversal of 227281430690 is 96034182722.

It can be written as a sum of positive squares in 8 ways, for example, as 131343182569 + 95938248121 = 362413^2 + 309739^2 .

It is a super-2 number, since 2×227281430690² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907046 + ... + 1130174.

Almost surely, 2^227281430690 is an apocalyptic number.

227281430690 is a deficient number, since it is larger than the sum of its proper divisors (193036582990).

227281430690 is a wasteful number, since it uses less digits than its factorization.

227281430690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225926.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 227281430690 in words is "two hundred twenty-seven billion, two hundred eighty-one million, four hundred thirty thousand, six hundred ninety".