223620530 has 32 divisors (see below), whose sum is σ = 461631744. Its totient is φ = 76401216.

The previous prime is 223620521. The next prime is 223620539. The reversal of 223620530 is 35026322.

It is a happy number.

223620530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223620521) and next prime (223620539).

It is a super-2 number, since 2×223620530² = 100012282874961800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223620496 and 223620505.

It is not an unprimeable number, because it can be changed into a prime (223620539) 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, 15059 + ... + 25961.

It is an arithmetic number, because the mean of its divisors is an integer number (14425992).

Almost surely, 2^223620530 is an apocalyptic number.

223620530 is an abundant number, since it is smaller than the sum of its proper divisors (238011214).

223620530 is a wasteful number, since it uses less digits than its factorization.

223620530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 223620530 is about 14953.9469706162. The cubic root of 223620530 is about 606.9746557690.

Adding to 223620530 its reverse (35026322), we get a palindrome (258646852).

The spelling of 223620530 in words is "two hundred twenty-three million, six hundred twenty thousand, five hundred thirty".