2045820622 has 4 divisors (see below), whose sum is σ = 3068730936. Its totient is φ = 1022910310.

The previous prime is 2045820607. The next prime is 2045820643. The reversal of 2045820622 is 2260285402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2260285402 = 2 ⋅1130142701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511455154 + ... + 511455157.

It is an arithmetic number, because the mean of its divisors is an integer number (767182734).

Almost surely, 2^2045820622 is an apocalyptic number.

2045820622 is a deficient number, since it is larger than the sum of its proper divisors (1022910314).

2045820622 is a wasteful number, since it uses less digits than its factorization.

2045820622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022910313.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 2045820622 is about 45230.7486340874. The cubic root of 2045820622 is about 1269.4702198540.

The spelling of 2045820622 in words is "two billion, forty-five million, eight hundred twenty thousand, six hundred twenty-two".