223249699208 has 8 divisors (see below), whose sum is σ = 418593186030. Its totient is φ = 111624849600.

The previous prime is 223249699207. The next prime is 223249699219. The reversal of 223249699208 is 802996942322.

It can be written as a sum of positive squares in only one way, i.e., 175445375044 + 47804324164 = 418862^2 + 218642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×223249699208³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223249699207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13953106193 + ... + 13953106208.

Almost surely, 2^223249699208 is an apocalyptic number.

It is an amenable number.

223249699208 is a deficient number, since it is larger than the sum of its proper divisors (195343486822).

223249699208 is a wasteful number, since it uses less digits than its factorization.

223249699208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27906212407 (or 27906212403 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 223249699208 in words is "two hundred twenty-three billion, two hundred forty-nine million, six hundred ninety-nine thousand, two hundred eight".