22010009 has 16 divisors (see below), whose sum is σ = 25833600. Its totient is φ = 18363264.

The previous prime is 22010003. The next prime is 22010033. The reversal of 22010009 is 90001022.

It is a cyclic number.

It is not a de Polignac number, because 22010009 - 2¹² = 22005913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22009975 and 22010002.

It is not an unprimeable number, because it can be changed into a prime (22010003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56387 + ... + 56775.

It is an arithmetic number, because the mean of its divisors is an integer number (1614600).

Almost surely, 2^22010009 is an apocalyptic number.

It is an amenable number.

22010009 is a deficient number, since it is larger than the sum of its proper divisors (3823591).

22010009 is a wasteful number, since it uses less digits than its factorization.

22010009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 22010009 is about 4691.4826014811. The cubic root of 22010009 is about 280.2464199740.

The spelling of 22010009 in words is "twenty-two million, ten thousand, nine".