223252506 has 12 divisors (see below), whose sum is σ = 483713802. Its totient is φ = 74417496.

The previous prime is 223252493. The next prime is 223252507. The reversal of 223252506 is 605252322.

It can be written as a sum of positive squares in only one way, i.e., 116316225 + 106936281 = 10785^2 + 10341^2 .

It is a super-3 number, since 3×223252506³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223252506.

It is not an unprimeable number, because it can be changed into a prime (223252507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6201441 + ... + 6201476.

Almost surely, 2^223252506 is an apocalyptic number.

223252506 is an abundant number, since it is smaller than the sum of its proper divisors (260461296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223252506 is a wasteful number, since it uses less digits than its factorization.

223252506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12402925 (or 12402922 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 223252506 is about 14941.6366573411. The cubic root of 223252506 is about 606.6414962923.

The spelling of 223252506 in words is "two hundred twenty-three million, two hundred fifty-two thousand, five hundred six".