2201322315550 has 24 divisors (see below), whose sum is σ = 4094737591896. Its totient is φ = 880469123040.

The previous prime is 2201322315499. The next prime is 2201322315559. The reversal of 2201322315550 is 555132231022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201322315559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 747832 + ... + 2227531.

It is an arithmetic number, because the mean of its divisors is an integer number (170614066329).

Almost surely, 2^{2201322315550} is an apocalyptic number.

2201322315550 is a deficient number, since it is larger than the sum of its proper divisors (1893415276346).

2201322315550 is a wasteful number, since it uses less digits than its factorization.

2201322315550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990172 (or 2990167 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 2201322315550 its reverse (555132231022), we get a palindrome (2756454546572).

The spelling of 2201322315550 in words is "two trillion, two hundred one billion, three hundred twenty-two million, three hundred fifteen thousand, five hundred fifty".