2205703745 has 16 divisors (see below), whose sum is σ = 3034706688. Its totient is φ = 1507611840.

The previous prime is 2205703741. The next prime is 2205703789. The reversal of 2205703745 is 5473075022.

It is not a de Polignac number, because 2205703745 - 2² = 2205703741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2205703741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90434 + ... + 112203.

It is an arithmetic number, because the mean of its divisors is an integer number (189669168).

Almost surely, 2^2205703745 is an apocalyptic number.

It is an amenable number.

2205703745 is a deficient number, since it is larger than the sum of its proper divisors (829002943).

2205703745 is a wasteful number, since it uses less digits than its factorization.

2205703745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202960.

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 2205703745 is about 46964.9203661627. The cubic root of 2205703745 is about 1301.7144529585.

Adding to 2205703745 its reverse (5473075022), we get a palindrome (7678778767).

The spelling of 2205703745 in words is "two billion, two hundred five million, seven hundred three thousand, seven hundred forty-five".