22612142005 has 8 divisors (see below), whose sum is σ = 27135408600. Its totient is φ = 18089154816.

The previous prime is 22612141997. The next prime is 22612142009. The reversal of 22612142005 is 50024121622.

It can be written as a sum of positive squares in 4 ways, for example, as 100440484 + 22511701521 = 10022^2 + 150039^2 .

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 22612142005 - 2³ = 22612141997 is a prime.

It is a super-2 number, since 2×22612142005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22612142009) 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, 210481 + ... + 299209.

It is an arithmetic number, because the mean of its divisors is an integer number (3391926075).

Almost surely, 2^22612142005 is an apocalyptic number.

It is an amenable number.

22612142005 is a deficient number, since it is larger than the sum of its proper divisors (4523266595).

22612142005 is an equidigital number, since it uses as much as digits as its factorization.

22612142005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139703.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 22612142005 its reverse (50024121622), we get a palindrome (72636263627).

The spelling of 22612142005 in words is "twenty-two billion, six hundred twelve million, one hundred forty-two thousand, five".