22145230521105 has 8 divisors (see below), whose sum is σ = 35432368833792. Its totient is φ = 11810789611248.

The previous prime is 22145230521103. The next prime is 22145230521121. The reversal of 22145230521105 is 50112503254122.

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

It is not a de Polignac number, because 22145230521105 - 2¹ = 22145230521103 is a prime.

It is a super-2 number, since 2×22145230521105² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22145230521103) 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, 738174350689 + ... + 738174350718.

It is an arithmetic number, because the mean of its divisors is an integer number (4429046104224).

Almost surely, 2^{22145230521105} is an apocalyptic number.

It is an amenable number.

22145230521105 is a deficient number, since it is larger than the sum of its proper divisors (13287138312687).

22145230521105 is a wasteful number, since it uses less digits than its factorization.

22145230521105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476348701415.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 22145230521105 its reverse (50112503254122), we get a palindrome (72257733775227).

The spelling of 22145230521105 in words is "twenty-two trillion, one hundred forty-five billion, two hundred thirty million, five hundred twenty-one thousand, one hundred five".