1022912 has 28 divisors (see below), whose sum is σ = 2215896. Its totient is φ = 464640.

The previous prime is 1022911. The next prime is 1022929. The reversal of 1022912 is 2192201.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022911) 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, 23 + ... + 1430.

2^1022912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107948).

1022912 is an abundant number, since it is smaller than the sum of its proper divisors (1192984).

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

1022912 is a wasteful number, since it uses less digits than its factorization.

1022912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1466 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1022912 is about 1011.3911211791. The cubic root of 1022912 is about 100.7579735781.

It can be divided in two parts, 10 and 22912, that added together give a palindrome (22922).

The spelling of 1022912 in words is "one million, twenty-two thousand, nine hundred twelve".