1022636112 has 20 divisors (see below), whose sum is σ = 2641810080. Its totient is φ = 340878688.

The previous prime is 1022636059. The next prime is 1022636123. The reversal of 1022636112 is 2116362201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10652412 + ... + 10652507.

It is an arithmetic number, because the mean of its divisors is an integer number (132090504).

Almost surely, 2^1022636112 is an apocalyptic number.

1022636112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022636112 is an abundant number, since it is smaller than the sum of its proper divisors (1619173968).

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

1022636112 is a wasteful number, since it uses less digits than its factorization.

1022636112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21304930 (or 21304924 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1022636112 is about 31978.6821492068. The cubic root of 1022636112 is about 1007.4891433829.

Adding to 1022636112 its reverse (2116362201), we get a palindrome (3138998313).

The spelling of 1022636112 in words is "one billion, twenty-two million, six hundred thirty-six thousand, one hundred twelve".