22202221209 has 8 divisors (see below), whose sum is σ = 33831956160. Its totient is φ = 12686983536.

The previous prime is 22202221201. The next prime is 22202221229. The reversal of 22202221209 is 90212220222.

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

It is not a de Polignac number, because 22202221209 - 2³ = 22202221201 is a prime.

It is a super-2 number, since 2×22202221209² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22202221201) 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, 528624294 + ... + 528624335.

It is an arithmetic number, because the mean of its divisors is an integer number (4228994520).

Almost surely, 2^22202221209 is an apocalyptic number.

It is an amenable number.

22202221209 is a deficient number, since it is larger than the sum of its proper divisors (11629734951).

22202221209 is a wasteful number, since it uses less digits than its factorization.

22202221209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057248639.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 22202221209 in words is "twenty-two billion, two hundred two million, two hundred twenty-one thousand, two hundred nine".