22214236145 has 8 divisors (see below), whose sum is σ = 26705819904. Its totient is φ = 17738897904.

The previous prime is 22214236139. The next prime is 22214236201. The reversal of 22214236145 is 54163241222.

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 22214236145 - 2¹² = 22214232049 is a prime.

It is a super-2 number, since 2×22214236145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4058369 + ... + 4063838.

It is an arithmetic number, because the mean of its divisors is an integer number (3338227488).

Almost surely, 2^22214236145 is an apocalyptic number.

It is an amenable number.

22214236145 is a deficient number, since it is larger than the sum of its proper divisors (4491583759).

22214236145 is an equidigital number, since it uses as much as digits as its factorization.

22214236145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122759.

The product of its digits is 23040, while the sum is 32.

Adding to 22214236145 its reverse (54163241222), we get a palindrome (76377477367).

The spelling of 22214236145 in words is "twenty-two billion, two hundred fourteen million, two hundred thirty-six thousand, one hundred forty-five".