1220232310 has 32 divisors (see below), whose sum is σ = 2399445504. Its totient is φ = 443100000.

The previous prime is 1220232289. The next prime is 1220232311. The reversal of 1220232310 is 132320221.

It is a super-2 number, since 2×1220232310² = 2977933780735872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220232311) 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, 75225 + ... + 89995.

It is an arithmetic number, because the mean of its divisors is an integer number (74982672).

Almost surely, 2^1220232310 is an apocalyptic number.

1220232310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220232310 is a deficient number, since it is larger than the sum of its proper divisors (1179213194).

1220232310 is a wasteful number, since it uses less digits than its factorization.

1220232310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15540.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1220232310 is about 34931.8237428280. The cubic root of 1220232310 is about 1068.5975482875.

Adding to 1220232310 its reverse (132320221), we get a palindrome (1352552531).

The spelling of 1220232310 in words is "one billion, two hundred twenty million, two hundred thirty-two thousand, three hundred ten".