223403250 has 96 divisors (see below), whose sum is σ = 648760320. Its totient is φ = 51055200.

The previous prime is 223403249. The next prime is 223403251. The reversal of 223403250 is 52304322.

It is an interprime number because it is at equal distance from previous prime (223403249) and next prime (223403251).

It is a super-2 number, since 2×223403250² = 99818024221125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (223403251) 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, 33711 + ... + 39789.

It is an arithmetic number, because the mean of its divisors is an integer number (6757920).

Almost surely, 2^223403250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223403250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324380160).

223403250 is an abundant number, since it is smaller than the sum of its proper divisors (425357070).

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

223403250 is a wasteful number, since it uses less digits than its factorization.

223403250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113 (or 6096 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 223403250 is about 14946.6802334164. The cubic root of 223403250 is about 606.7780038919.

Adding to 223403250 its reverse (52304322), we get a palindrome (275707572).

The spelling of 223403250 in words is "two hundred twenty-three million, four hundred three thousand, two hundred fifty".