1022372 has 12 divisors (see below), whose sum is σ = 1926876. Its totient is φ = 471840.

The previous prime is 1022341. The next prime is 1022377. The reversal of 1022372 is 2732201.

It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 678976 = 586^2 + 824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1022372.

It is not an unprimeable number, because it can be changed into a prime (1022377) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9779 + ... + 9882.

It is an arithmetic number, because the mean of its divisors is an integer number (160573).

2^1022372 is an apocalyptic number.

It is an amenable number.

1022372 is a deficient number, since it is larger than the sum of its proper divisors (904504).

1022372 is a wasteful number, since it uses less digits than its factorization.

1022372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19678 (or 19676 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1022372 is about 1011.1241269004. The cubic root of 1022372 is about 100.7402402563.

Adding to 1022372 its reverse (2732201), we get a palindrome (3754573).

The spelling of 1022372 in words is "one million, twenty-two thousand, three hundred seventy-two".