223405245 has 48 divisors (see below), whose sum is σ = 468599040. Its totient is φ = 96118272.

The previous prime is 223405243. The next prime is 223405271. The reversal of 223405245 is 542504322.

It is a happy number.

It is not a de Polignac number, because 223405245 - 2¹ = 223405243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223405243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15505 + ... + 26214.

It is an arithmetic number, because the mean of its divisors is an integer number (9762480).

Almost surely, 2^223405245 is an apocalyptic number.

It is an amenable number.

223405245 is an abundant number, since it is smaller than the sum of its proper divisors (245193795).

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

223405245 is a wasteful number, since it uses less digits than its factorization.

223405245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41754 (or 41751 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 223405245 is about 14946.7469704950. The cubic root of 223405245 is about 606.7798100705.

Adding to 223405245 its reverse (542504322), we get a palindrome (765909567).

The spelling of 223405245 in words is "two hundred twenty-three million, four hundred five thousand, two hundred forty-five".