1022660394 has 16 divisors (see below), whose sum is σ = 2337509568. Its totient is φ = 292188672.

The previous prime is 1022660377. The next prime is 1022660407. The reversal of 1022660394 is 4930662201.

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 7 ways as a sum of consecutive naturals, for example, 12174487 + ... + 12174570.

It is an arithmetic number, because the mean of its divisors is an integer number (146094348).

Almost surely, 2^1022660394 is an apocalyptic number.

1022660394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1022660394 is an abundant number, since it is smaller than the sum of its proper divisors (1314849174).

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

1022660394 is a wasteful number, since it uses less digits than its factorization.

1022660394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24349069.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1022660394 is about 31979.0618061256. The cubic root of 1022660394 is about 1007.4971174339.

The spelling of 1022660394 in words is "one billion, twenty-two million, six hundred sixty thousand, three hundred ninety-four".