1322220034100 has 72 divisors (see below), whose sum is σ = 3280992169728. Its totient is φ = 453071779200.

The previous prime is 1322220034099. The next prime is 1322220034169. The reversal of 1322220034100 is 14300222231.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 676229 + ... + 1761171.

Almost surely, 2^{1322220034100} is an apocalyptic number.

1322220034100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322220034100 is an abundant number, since it is smaller than the sum of its proper divisors (1958772135628).

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

1322220034100 is a wasteful number, since it uses less digits than its factorization.

1322220034100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086705 (or 1086698 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1322220034100 its reverse (14300222231), we get a palindrome (1336520256331).

The spelling of 1322220034100 in words is "one trillion, three hundred twenty-two billion, two hundred twenty million, thirty-four thousand, one hundred".