2045456922 has 32 divisors (see below), whose sum is σ = 4119984000. Its totient is φ = 676988928.

The previous prime is 2045456921. The next prime is 2045456923. The reversal of 2045456922 is 2296545402.

It is an interprime number because it is at equal distance from previous prime (2045456921) and next prime (2045456923).

It is not an unprimeable number, because it can be changed into a prime (2045456921) 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 15 ways as a sum of consecutive naturals, for example, 687454 + ... + 690422.

It is an arithmetic number, because the mean of its divisors is an integer number (128749500).

Almost surely, 2^2045456922 is an apocalyptic number.

2045456922 is an abundant number, since it is smaller than the sum of its proper divisors (2074527078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045456922 is a wasteful number, since it uses less digits than its factorization.

2045456922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 2045456922 is about 45226.7279603555. The cubic root of 2045456922 is about 1269.3949878294.

The spelling of 2045456922 in words is "two billion, forty-five million, four hundred fifty-six thousand, nine hundred twenty-two".