1322220252530 has 32 divisors (see below), whose sum is σ = 2385448325568. Its totient is φ = 527676856000.

The previous prime is 1322220252473. The next prime is 1322220252629. The reversal of 1322220252530 is 352520222231.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1322220252493 and 1322220252502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61998449 + ... + 62019771.

It is an arithmetic number, because the mean of its divisors is an integer number (74545260174).

Almost surely, 2^{1322220252530} is an apocalyptic number.

1322220252530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1322220252530 is a deficient number, since it is larger than the sum of its proper divisors (1063228073038).

1322220252530 is a wasteful number, since it uses less digits than its factorization.

1322220252530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35242.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 1322220252530 its reverse (352520222231), we get a palindrome (1674740474761).

The spelling of 1322220252530 in words is "one trillion, three hundred twenty-two billion, two hundred twenty million, two hundred fifty-two thousand, five hundred thirty".