2071223045 has 6 divisors (see below), whose sum is σ = 2485589778. Its totient is φ = 1656897024.

The previous prime is 2071223029. The next prime is 2071223047. The reversal of 2071223045 is 5403221702.

It can be written as a sum of positive squares in 3 ways, for example, as 75724804 + 1995498241 = 8702^2 + 44671^2 .

It is not a de Polignac number, because 2071223045 - 2⁴ = 2071223029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071223047) 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 5 ways as a sum of consecutive naturals, for example, 91589 + ... + 111941.

It is an arithmetic number, because the mean of its divisors is an integer number (414264963).

Almost surely, 2^2071223045 is an apocalyptic number.

It is an amenable number.

2071223045 is a deficient number, since it is larger than the sum of its proper divisors (414366733).

2071223045 is an frugal number, since it uses more digits than its factorization.

2071223045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40711 (or 20358 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2071223045 is about 45510.6915460532. The cubic root of 2071223045 is about 1274.7028491163.

Adding to 2071223045 its reverse (5403221702), we get a palindrome (7474444747).

The spelling of 2071223045 in words is "two billion, seventy-one million, two hundred twenty-three thousand, forty-five".