2050222906 has 4 divisors (see below), whose sum is σ = 3075334362. Its totient is φ = 1025111452.

The previous prime is 2050222901. The next prime is 2050222961. The reversal of 2050222906 is 6092220502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1421968681 + 628254225 = 37709^2 + 25065^2 .

It is not an unprimeable number, because it can be changed into a prime (2050222901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512555725 + ... + 512555728.

Almost surely, 2^2050222906 is an apocalyptic number.

2050222906 is a deficient number, since it is larger than the sum of its proper divisors (1025111456).

2050222906 is a wasteful number, since it uses less digits than its factorization.

2050222906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025111455.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2050222906 is about 45279.3872087510. The cubic root of 2050222906 is about 1270.3801342080.

The spelling of 2050222906 in words is "two billion, fifty million, two hundred twenty-two thousand, nine hundred six".