2006640622 has 32 divisors (see below), whose sum is σ = 3508842240. Its totient is φ = 842856000.

The previous prime is 2006640613. The next prime is 2006640637. The reversal of 2006640622 is 2260466002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283122 + ... + 290122.

It is an arithmetic number, because the mean of its divisors is an integer number (109651320).

Almost surely, 2^2006640622 is an apocalyptic number.

2006640622 is a deficient number, since it is larger than the sum of its proper divisors (1502201618).

2006640622 is a wasteful number, since it uses less digits than its factorization.

2006640622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7416.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2006640622 is about 44795.5424344878. The cubic root of 2006640622 is about 1261.3139526474.

The spelling of 2006640622 in words is "two billion, six million, six hundred forty thousand, six hundred twenty-two".