1022994740 has 12 divisors (see below), whose sum is σ = 2148288996. Its totient is φ = 409197888.

The previous prime is 1022994727. The next prime is 1022994769. The reversal of 1022994740 is 474992201.

It can be written as a sum of positive squares in 2 ways, for example, as 459502096 + 563492644 = 21436^2 + 23738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022994694 and 1022994703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25574849 + ... + 25574888.

It is an arithmetic number, because the mean of its divisors is an integer number (179024083).

Almost surely, 2^1022994740 is an apocalyptic number.

1022994740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022994740 is an abundant number, since it is smaller than the sum of its proper divisors (1125294256).

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

1022994740 is a wasteful number, since it uses less digits than its factorization.

1022994740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51149746 (or 51149744 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1022994740 is about 31984.2889556732. The cubic root of 1022994740 is about 1007.6069016562.

The spelling of 1022994740 in words is "one billion, twenty-two million, nine hundred ninety-four thousand, seven hundred forty".