2204782645 has 32 divisors (see below), whose sum is σ = 3042369792. Its totient is φ = 1521096192.

The previous prime is 2204782627. The next prime is 2204782661. The reversal of 2204782645 is 5462874022.

It is a cyclic number.

It is not a de Polignac number, because 2204782645 - 2¹¹ = 2204780597 is a prime.

It is a super-2 number, since 2×2204782645² = 9722133023386392050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2204782598 and 2204782607.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 47137 + ... + 81433.

It is an arithmetic number, because the mean of its divisors is an integer number (95074056).

Almost surely, 2^2204782645 is an apocalyptic number.

It is an amenable number.

2204782645 is a deficient number, since it is larger than the sum of its proper divisors (837587147).

2204782645 is a wasteful number, since it uses less digits than its factorization.

2204782645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34381.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 2204782645 is about 46955.1130868620. The cubic root of 2204782645 is about 1301.5332294487.

The spelling of 2204782645 in words is "two billion, two hundred four million, seven hundred eighty-two thousand, six hundred forty-five".