223081497 has 12 divisors (see below), whose sum is σ = 341183700. Its totient is φ = 139972608.

The previous prime is 223081493. The next prime is 223081499. The reversal of 223081497 is 794180322.

It can be written as a sum of positive squares in 2 ways, for example, as 182898576 + 40182921 = 13524^2 + 6339^2 .

It is not a de Polignac number, because 223081497 - 2² = 223081493 is a prime.

It is a super-3 number, since 3×223081497³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (223081493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 728872 + ... + 729177.

It is an arithmetic number, because the mean of its divisors is an integer number (28431975).

Almost surely, 2^223081497 is an apocalyptic number.

It is an amenable number.

223081497 is a deficient number, since it is larger than the sum of its proper divisors (118102203).

223081497 is a wasteful number, since it uses less digits than its factorization.

223081497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458072 (or 1458069 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 223081497 is about 14935.9129951938. The cubic root of 223081497 is about 606.4865631227.

The spelling of 223081497 in words is "two hundred twenty-three million, eighty-one thousand, four hundred ninety-seven".