1001009922 has 16 divisors (see below), whose sum is σ = 2184021792. Its totient is φ = 303336320.

The previous prime is 1001009899. The next prime is 1001009923. The reversal of 1001009922 is 2299001001.

It is a junction number, because it is equal to n+sod(n) for n = 1001009892 and 1001009901.

It is not an unprimeable number, because it can be changed into a prime (1001009923) 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, 7583343 + ... + 7583474.

It is an arithmetic number, because the mean of its divisors is an integer number (136501362).

Almost surely, 2^1001009922 is an apocalyptic number.

1001009922 is an abundant number, since it is smaller than the sum of its proper divisors (1183011870).

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

1001009922 is a wasteful number, since it uses less digits than its factorization.

1001009922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166833.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1001009922 is about 31638.7408409374. The cubic root of 1001009922 is about 1000.3365274033.

The spelling of 1001009922 in words is "one billion, one million, nine thousand, nine hundred twenty-two".