1322200100 has 36 divisors (see below), whose sum is σ = 3089882964. Its totient is φ = 488196480.

The previous prime is 1322200097. The next prime is 1322200153. The reversal of 1322200100 is 10022231.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 295936 + 1321904164 = 544^2 + 36358^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507239 + ... + 509838.

Almost surely, 2^1322200100 is an apocalyptic number.

1322200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322200100 is an abundant number, since it is smaller than the sum of its proper divisors (1767682864).

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

1322200100 is a wasteful number, since it uses less digits than its factorization.

1322200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017104 (or 1017097 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1322200100 is about 36362.0695230621. The cubic root of 1322200100 is about 1097.5704228519.

Adding to 1322200100 its reverse (10022231), we get a palindrome (1332222331).

The spelling of 1322200100 in words is "one billion, three hundred twenty-two million, two hundred thousand, one hundred".