1022722 has 4 divisors (see below), whose sum is σ = 1534086. Its totient is φ = 511360.

The previous prime is 1022719. The next prime is 1022729. The reversal of 1022722 is 2272201.

1022722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 919681 + 103041 = 959^2 + 321^2 .

It is a super-3 number, since 3×1022722³ = 3209179796931333144, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022696 and 1022705.

It is not an unprimeable number, because it can be changed into a prime (1022729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255679 + ... + 255682.

2^1022722 is an apocalyptic number.

1022722 is a deficient number, since it is larger than the sum of its proper divisors (511364).

1022722 is an equidigital number, since it uses as much as digits as its factorization.

1022722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511363.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1022722 is about 1011.2971867854. The cubic root of 1022722 is about 100.7517347878.

Adding to 1022722 its reverse (2272201), we get a palindrome (3294923).

The spelling of 1022722 in words is "one million, twenty-two thousand, seven hundred twenty-two".