105562221441 has 4 divisors (see below), whose sum is σ = 140749628592. Its totient is φ = 70374814292.

The previous prime is 105562221397. The next prime is 105562221451. The reversal of 105562221441 is 144122265501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144122265501 = 3 ⋅48040755167.

It is a cyclic number.

It is not a de Polignac number, because 105562221441 - 2¹³ = 105562213249 is a prime.

It is a super-2 number, since 2×105562221441² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105562221451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17593703571 + ... + 17593703576.

It is an arithmetic number, because the mean of its divisors is an integer number (35187407148).

Almost surely, 2^105562221441 is an apocalyptic number.

It is an amenable number.

105562221441 is a deficient number, since it is larger than the sum of its proper divisors (35187407151).

105562221441 is an equidigital number, since it uses as much as digits as its factorization.

105562221441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35187407150.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 105562221441 its reverse (144122265501), we get a palindrome (249684486942).

The spelling of 105562221441 in words is "one hundred five billion, five hundred sixty-two million, two hundred twenty-one thousand, four hundred forty-one".