1022942189 has 8 divisors (see below), whose sum is σ = 1031506080. Its totient is φ = 1014390000.

The previous prime is 1022942183. The next prime is 1022942203. The reversal of 1022942189 is 9812492201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022942189 - 2¹⁶ = 1022876653 is a prime.

It is a super-2 number, since 2×1022942189² = 2092821444072223442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022942183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293147 + ... + 296615.

It is an arithmetic number, because the mean of its divisors is an integer number (128938260).

Almost surely, 2^1022942189 is an apocalyptic number.

It is an amenable number.

1022942189 is a deficient number, since it is larger than the sum of its proper divisors (8563891).

1022942189 is a wasteful number, since it uses less digits than its factorization.

1022942189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1022942189 is about 31983.4674324095. The cubic root of 1022942189 is about 1007.5896478506.

The spelling of 1022942189 in words is "one billion, twenty-two million, nine hundred forty-two thousand, one hundred eighty-nine".