2206515318550 has 48 divisors (see below), whose sum is σ = 4262400938880. Its totient is φ = 849102946560.

The previous prime is 2206515318547. The next prime is 2206515318551. The reversal of 2206515318550 is 558135156022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2206515318497 and 2206515318506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206515318551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6535974 + ... + 6865273.

It is an arithmetic number, because the mean of its divisors is an integer number (88800019560).

Almost surely, 2^{2206515318550} is an apocalyptic number.

2206515318550 is a deficient number, since it is larger than the sum of its proper divisors (2055885620330).

2206515318550 is a wasteful number, since it uses less digits than its factorization.

2206515318550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13401385 (or 13401380 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 2206515318550 in words is "two trillion, two hundred six billion, five hundred fifteen million, three hundred eighteen thousand, five hundred fifty".