223499007 has 28 divisors (see below), whose sum is σ = 336915064. Its totient is φ = 148191120.

The previous prime is 223498999. The next prime is 223499011. The reversal of 223499007 is 700994322.

It is not a de Polignac number, because 223499007 - 2³ = 223498999 is a prime.

It is a super-2 number, since 2×223499007² = 99903612259972098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223499207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 153093 + ... + 154545.

Almost surely, 2^223499007 is an apocalyptic number.

223499007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

223499007 is a deficient number, since it is larger than the sum of its proper divisors (113416057).

223499007 is an equidigital number, since it uses as much as digits as its factorization.

223499007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 223499007 is about 14949.8831768011. The cubic root of 223499007 is about 606.8646856236.

The spelling of 223499007 in words is "two hundred twenty-three million, four hundred ninety-nine thousand, seven".