2220651634245 has 48 divisors (see below), whose sum is σ = 3906222665856. Its totient is φ = 1076455670400.

The previous prime is 2220651634241. The next prime is 2220651634247. The reversal of 2220651634245 is 5424361560222.

It is not a de Polignac number, because 2220651634245 - 2² = 2220651634241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2220651634197 and 2220651634206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220651634241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8774175 + ... + 9023715.

It is an arithmetic number, because the mean of its divisors is an integer number (81379638872).

Almost surely, 2^{2220651634245} is an apocalyptic number.

It is an amenable number.

2220651634245 is a deficient number, since it is larger than the sum of its proper divisors (1685571031611).

2220651634245 is a wasteful number, since it uses less digits than its factorization.

2220651634245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254474 (or 254463 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 2220651634245 in words is "two trillion, two hundred twenty billion, six hundred fifty-one million, six hundred thirty-four thousand, two hundred forty-five".