1022712 has 32 divisors (see below), whose sum is σ = 2618880. Its totient is φ = 332640.

The previous prime is 1022701. The next prime is 1022719. The reversal of 1022712 is 2172201.

It is a junction number, because it is equal to n+sod(n) for n = 1022691 and 1022700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (81840).

2^1022712 is an apocalyptic number.

1022712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309440).

1022712 is an abundant number, since it is smaller than the sum of its proper divisors (1596168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022712 is a wasteful number, since it uses less digits than its factorization.

1022712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1022712 is about 1011.2922426282. The cubic root of 1022712 is about 100.7514064090.

Adding to 1022712 its reverse (2172201), we get a palindrome (3194913).

It can be divided in two parts, 10 and 22712, that added together give a palindrome (22722).

The spelling of 1022712 in words is "one million, twenty-two thousand, seven hundred twelve".