2045444522 has 32 divisors (see below), whose sum is σ = 3556773504. Its totient is φ = 871897600.

The previous prime is 2045444521. The next prime is 2045444549. The reversal of 2045444522 is 2254445402.

It is not an unprimeable number, because it can be changed into a prime (2045444521) 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, 95363 + ... + 114825.

It is an arithmetic number, because the mean of its divisors is an integer number (111149172).

Almost surely, 2^2045444522 is an apocalyptic number.

2045444522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2045444522 is a deficient number, since it is larger than the sum of its proper divisors (1511328982).

2045444522 is a wasteful number, since it uses less digits than its factorization.

2045444522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19774.

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 2045444522 is about 45226.5908730694. The cubic root of 2045444522 is about 1269.3924227090.

Adding to 2045444522 its reverse (2254445402), we get a palindrome (4299889924).

The spelling of 2045444522 in words is "two billion, forty-five million, four hundred forty-four thousand, five hundred twenty-two".