24222715145 has 4 divisors (see below), whose sum is σ = 29067258180. Its totient is φ = 19378172112.

The previous prime is 24222715109. The next prime is 24222715159. The reversal of 24222715145 is 54151722242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4243740736 + 19978974409 = 65144^2 + 141347^2 .

It is a cyclic number.

It is not a de Polignac number, because 24222715145 - 2¹⁰ = 24222714121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2422271510 + ... + 2422271519.

It is an arithmetic number, because the mean of its divisors is an integer number (7266814545).

Almost surely, 2^24222715145 is an apocalyptic number.

It is an amenable number.

24222715145 is a deficient number, since it is larger than the sum of its proper divisors (4844543035).

24222715145 is an equidigital number, since it uses as much as digits as its factorization.

24222715145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844543034.

The product of its digits is 44800, while the sum is 35.

The spelling of 24222715145 in words is "twenty-four billion, two hundred twenty-two million, seven hundred fifteen thousand, one hundred forty-five".