1022694912 has 120 divisors (see below), whose sum is σ = 3107178360. Its totient is φ = 322928640.

The previous prime is 1022694899. The next prime is 1022694917. The reversal of 1022694912 is 2194962201.

1022694912 is a `hidden beast` number, since 102 + 2 + 69 + 491 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022694917) 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 11 ways as a sum of consecutive naturals, for example, 81712 + ... + 93392.

It is an arithmetic number, because the mean of its divisors is an integer number (25893153).

Almost surely, 2^1022694912 is an apocalyptic number.

1022694912 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 1022694912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553589180).

1022694912 is an abundant number, since it is smaller than the sum of its proper divisors (2084483448).

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

1022694912 is a wasteful number, since it uses less digits than its factorization.

1022694912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11724 (or 11705 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1022694912 is about 31979.6014984552. The cubic root of 1022694912 is about 1007.5084527037.

The spelling of 1022694912 in words is "one billion, twenty-two million, six hundred ninety-four thousand, nine hundred twelve".