1220233230 has 24 divisors (see below), whose sum is σ = 3172606632. Its totient is φ = 325395504.

The previous prime is 1220233229. The next prime is 1220233277. The reversal of 1220233230 is 323320221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6778984 + ... + 6779163.

It is an arithmetic number, because the mean of its divisors is an integer number (132191943).

Almost surely, 2^1220233230 is an apocalyptic number.

1220233230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220233230 is an abundant number, since it is smaller than the sum of its proper divisors (1952373402).

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

1220233230 is a wasteful number, since it uses less digits than its factorization.

1220233230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13558160 (or 13558157 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1220233230 is about 34931.8369113335. The cubic root of 1220233230 is about 1068.5978168455.

Adding to 1220233230 its reverse (323320221), we get a palindrome (1543553451).

The spelling of 1220233230 in words is "one billion, two hundred twenty million, two hundred thirty-three thousand, two hundred thirty".