2045622838 has 32 divisors (see below), whose sum is σ = 3545467200. Its totient is φ = 867055104.

The previous prime is 2045622833. The next prime is 2045622847. The reversal of 2045622838 is 8382265402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2045622838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045622833) 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, 1233706 + ... + 1235362.

It is an arithmetic number, because the mean of its divisors is an integer number (110795850).

Almost surely, 2^2045622838 is an apocalyptic number.

2045622838 is a deficient number, since it is larger than the sum of its proper divisors (1499844362).

2045622838 is a wasteful number, since it uses less digits than its factorization.

2045622838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 2045622838 is about 45228.5621924907. The cubic root of 2045622838 is about 1269.4293089701.

The spelling of 2045622838 in words is "two billion, forty-five million, six hundred twenty-two thousand, eight hundred thirty-eight".