223405125 has 32 divisors (see below), whose sum is σ = 384583680. Its totient is φ = 115035200.

The previous prime is 223405099. The next prime is 223405129. The reversal of 223405125 is 521504322.

It is not a de Polignac number, because 223405125 - 2¹⁹ = 222880837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223405095 and 223405104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223405129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604 + ... + 21146.

It is an arithmetic number, because the mean of its divisors is an integer number (12018240).

Almost surely, 2^223405125 is an apocalyptic number.

223405125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223405125 is a deficient number, since it is larger than the sum of its proper divisors (161178555).

223405125 is a wasteful number, since it uses less digits than its factorization.

223405125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20590 (or 20580 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 223405125 is about 14946.7429562430. The cubic root of 223405125 is about 606.7797014285.

Adding to 223405125 its reverse (521504322), we get a palindrome (744909447).

The spelling of 223405125 in words is "two hundred twenty-three million, four hundred five thousand, one hundred twenty-five".