1322221210 has 32 divisors (see below), whose sum is σ = 2552549760. Its totient is φ = 491594688.

The previous prime is 1322221193. The next prime is 1322221213. The reversal of 1322221210 is 121222231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1322221213) 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, 55582 + ... + 75721.

It is an arithmetic number, because the mean of its divisors is an integer number (79767180).

Almost surely, 2^1322221210 is an apocalyptic number.

1322221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1322221210 is a deficient number, since it is larger than the sum of its proper divisors (1230328550).

1322221210 is a wasteful number, since it uses less digits than its factorization.

1322221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131382.

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

The square root of 1322221210 is about 36362.3597969109. The cubic root of 1322221210 is about 1097.5762640224.

Adding to 1322221210 its reverse (121222231), we get a palindrome (1443443441).

The spelling of 1322221210 in words is "one billion, three hundred twenty-two million, two hundred twenty-one thousand, two hundred ten".