2043622090 has 16 divisors (see below), whose sum is σ = 3685329000. Its totient is φ = 815935680.

The previous prime is 2043622027. The next prime is 2043622103. The reversal of 2043622090 is 902263402.

It can be written as a sum of positive squares in 4 ways, for example, as 1165744449 + 877877641 = 34143^2 + 29629^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183465 + ... + 194284.

Almost surely, 2^2043622090 is an apocalyptic number.

2043622090 is a deficient number, since it is larger than the sum of its proper divisors (1641706910).

2043622090 is a wasteful number, since it uses less digits than its factorization.

2043622090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378297.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2043622090 is about 45206.4385900947. The cubic root of 2043622090 is about 1269.0153133588.

Adding to 2043622090 its reverse (902263402), we get a palindrome (2945885492).

The spelling of 2043622090 in words is "two billion, forty-three million, six hundred twenty-two thousand, ninety".