220232310 has 16 divisors (see below), whose sum is σ = 528557616. Its totient is φ = 58728608.

The previous prime is 220232269. The next prime is 220232323. The reversal of 220232310 is 13232022.

220232310 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220232310² = 97004540735872200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220232310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3670509 + ... + 3670568.

It is an arithmetic number, because the mean of its divisors is an integer number (33034851).

Almost surely, 2^220232310 is an apocalyptic number.

220232310 is an abundant number, since it is smaller than the sum of its proper divisors (308325306).

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

220232310 is a wasteful number, since it uses less digits than its factorization.

220232310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341087.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220232310 is about 14840.2260764451. The cubic root of 220232310 is about 603.8934855228.

Adding to 220232310 its reverse (13232022), we get a palindrome (233464332).

The spelling of 220232310 in words is "two hundred twenty million, two hundred thirty-two thousand, three hundred ten".