2102605622 has 8 divisors (see below), whose sum is σ = 3396516816. Its totient is φ = 970433352.

The previous prime is 2102605567. The next prime is 2102605627. The reversal of 2102605622 is 2265062012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 80869447 = 2102605622 / (2 + 1 + 0 + 2 + 6 + 0 + 5 + 6 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2102605591 and 2102605600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102605627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40434698 + ... + 40434749.

It is an arithmetic number, because the mean of its divisors is an integer number (424564602).

Almost surely, 2^2102605622 is an apocalyptic number.

2102605622 is a deficient number, since it is larger than the sum of its proper divisors (1293911194).

2102605622 is a wasteful number, since it uses less digits than its factorization.

2102605622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80869462.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2102605622 is about 45854.1778031184. The cubic root of 2102605622 is about 1281.1085818391.

Adding to 2102605622 its reverse (2265062012), we get a palindrome (4367667634).

The spelling of 2102605622 in words is "two billion, one hundred two million, six hundred five thousand, six hundred twenty-two".