22237164509 has 8 divisors (see below), whose sum is σ = 25699452480. Its totient is φ = 18846264096.

The previous prime is 22237164461. The next prime is 22237164511. The reversal of 22237164509 is 90546173222.

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 22237164509 - 2⁸ = 22237164253 is a prime.

It is a super-2 number, since 2×22237164509² (a number of 21 digits) 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 (22237164529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17846219 + ... + 17847464.

It is an arithmetic number, because the mean of its divisors is an integer number (3212431560).

Almost surely, 2^22237164509 is an apocalyptic number.

It is an amenable number.

22237164509 is a deficient number, since it is larger than the sum of its proper divisors (3462287971).

22237164509 is an equidigital number, since it uses as much as digits as its factorization.

22237164509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35693779.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 22237164509 in words is "twenty-two billion, two hundred thirty-seven million, one hundred sixty-four thousand, five hundred nine".