223066525 has 36 divisors (see below), whose sum is σ = 312407956. Its totient is φ = 157766400.

The previous prime is 223066513. The next prime is 223066573. The reversal of 223066525 is 525660322.

It can be written as a sum of positive squares in 6 ways, for example, as 9351364 + 213715161 = 3058^2 + 14619^2 .

It is not a de Polignac number, because 223066525 - 2¹³ = 223058333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 110929 + ... + 112921.

Almost surely, 2^223066525 is an apocalyptic number.

223066525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223066525 is a deficient number, since it is larger than the sum of its proper divisors (89341431).

223066525 is a wasteful number, since it uses less digits than its factorization.

223066525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 223066525 is about 14935.4117787224. The cubic root of 223066525 is about 606.4729948079.

The spelling of 223066525 in words is "two hundred twenty-three million, sixty-six thousand, five hundred twenty-five".