1000022109 has 32 divisors (see below), whose sum is σ = 1412985600. Its totient is φ = 628185600.

The previous prime is 1000022081. The next prime is 1000022173. The reversal of 1000022109 is 9012200001.

It is a happy number.

It is not a de Polignac number, because 1000022109 - 2¹⁷ = 999891037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000022189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640672 + ... + 642230.

It is an arithmetic number, because the mean of its divisors is an integer number (44155800).

Almost surely, 2^1000022109 is an apocalyptic number.

It is an amenable number.

1000022109 is a deficient number, since it is larger than the sum of its proper divisors (412963491).

1000022109 is a wasteful number, since it uses less digits than its factorization.

1000022109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1000022109 is about 31623.1261737356. The cubic root of 1000022109 is about 1000.0073696124.

The spelling of 1000022109 in words is "one billion, twenty-two thousand, one hundred nine".