2204464642 has 4 divisors (see below), whose sum is σ = 3306696966. Its totient is φ = 1102232320.

The previous prime is 2204464571. The next prime is 2204464651. The reversal of 2204464642 is 2464644022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2127884641 + 76580001 = 46129^2 + 8751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2204464598 and 2204464607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551116159 + ... + 551116162.

Almost surely, 2^2204464642 is an apocalyptic number.

2204464642 is a deficient number, since it is larger than the sum of its proper divisors (1102232324).

2204464642 is a wasteful number, since it uses less digits than its factorization.

2204464642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102232323.

The product of its (nonzero) digits is 73728, while the sum is 34.

The square root of 2204464642 is about 46951.7267201112. The cubic root of 2204464642 is about 1301.4706516442.

It can be divided in two parts, 2 and 204464642, that multiplied together give a square (408929284 = 20222²).

The spelling of 2204464642 in words is "two billion, two hundred four million, four hundred sixty-four thousand, six hundred forty-two".