2085722 has 4 divisors (see below), whose sum is σ = 3128586. Its totient is φ = 1042860.

The previous prime is 2085703. The next prime is 2085731. The reversal of 2085722 is 2275802.

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., 2042041 + 43681 = 1429^2 + 209^2 .

It is a super-2 number, since 2×2085722² = 8700472522568, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2085691 and 2085700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521429 + ... + 521432.

2^2085722 is an apocalyptic number.

2085722 is a deficient number, since it is larger than the sum of its proper divisors (1042864).

2085722 is a wasteful number, since it uses less digits than its factorization.

2085722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042863.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2085722 is about 1444.2028943331. The cubic root of 2085722 is about 127.7670322967.

It can be divided in two parts, 20857 and 22, that multiplied together give a palindrome (458854).

The spelling of 2085722 in words is "two million, eighty-five thousand, seven hundred twenty-two".