223125500 has 48 divisors (see below), whose sum is σ = 524806464. Its totient is φ = 82382400.

The previous prime is 223125491. The next prime is 223125509. The reversal of 223125500 is 5521322.

It is an interprime number because it is at equal distance from previous prime (223125491) and next prime (223125509).

It is a super-3 number, since 3×223125500³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223125509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10664 + ... + 23663.

It is an arithmetic number, because the mean of its divisors is an integer number (10933468).

Almost surely, 2^223125500 is an apocalyptic number.

223125500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223125500 is an abundant number, since it is smaller than the sum of its proper divisors (301680964).

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

223125500 is a wasteful number, since it uses less digits than its factorization.

223125500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34359 (or 34347 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 223125500 is about 14937.3859828285. The cubic root of 223125500 is about 606.5264371510.

Adding to 223125500 its reverse (5521322), we get a palindrome (228646822).

The spelling of 223125500 in words is "two hundred twenty-three million, one hundred twenty-five thousand, five hundred".