1232221210 has 64 divisors (see below), whose sum is σ = 2460357504. Its totient is φ = 440608000.

The previous prime is 1232221181. The next prime is 1232221219. The reversal of 1232221210 is 121222321.

It is a happy number.

It is a super-2 number, since 2×1232221210² = 3036738220747728200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1232221219) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2188389 + ... + 2188951.

It is an arithmetic number, because the mean of its divisors is an integer number (38443086).

Almost surely, 2^1232221210 is an apocalyptic number.

1232221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232221210 is a deficient number, since it is larger than the sum of its proper divisors (1228136294).

1232221210 is a wasteful number, since it uses less digits than its factorization.

1232221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1232221210 is about 35103.0085605208. The cubic root of 1232221210 is about 1072.0858401272.

Adding to 1232221210 its reverse (121222321), we get a palindrome (1353443531).

The spelling of 1232221210 in words is "one billion, two hundred thirty-two million, two hundred twenty-one thousand, two hundred ten".