2051722 has 16 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 988000.

The previous prime is 2051719. The next prime is 2051743. The reversal of 2051722 is 2271502.

It is a self number, because there is not a number n which added to its sum of digits gives 2051722.

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, 10647 + ... + 10837.

It is an arithmetic number, because the mean of its divisors is an integer number (199584).

2^2051722 is an apocalyptic number.

2051722 is a deficient number, since it is larger than the sum of its proper divisors (1141622).

2051722 is a wasteful number, since it uses less digits than its factorization.

2051722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2051722 is about 1432.3833285821. The cubic root of 2051722 is about 127.0689686771.

The spelling of 2051722 in words is "two million, fifty-one thousand, seven hundred twenty-two".