2070722 has 4 divisors (see below), whose sum is σ = 3106086. Its totient is φ = 1035360.

The previous prime is 2070709. The next prime is 2070737. The reversal of 2070722 is 2270702.

It is a Cunningham number, because it is equal to 1439²+1.

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., 2070721 + 1 = 1439^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2070694 and 2070703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517679 + ... + 517682.

2^2070722 is an apocalyptic number.

2070722 is a deficient number, since it is larger than the sum of its proper divisors (1035364).

2070722 is a wasteful number, since it uses less digits than its factorization.

2070722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035363.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 2070722 is about 1439.0003474635. Note that the first 3 decimals coincide. The cubic root of 2070722 is about 127.4600053975.

Subtracting from 2070722 its sum of digits (20), we obtain a palindrome (2070702).

It can be divided in two parts, 20707 and 22, that multiplied together give a palindrome (455554).

The spelling of 2070722 in words is "two million, seventy thousand, seven hundred twenty-two".