22143443023575 has 144 divisors (see below), whose sum is σ = 42675375315456. Its totient is φ = 10936332288000.

The previous prime is 22143443023573. The next prime is 22143443023607. The reversal of 22143443023575 is 57532034434122.

22143443023575 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 3 + 44 + 30 + 2 + 3 + 575 = 666.

It is not a de Polignac number, because 22143443023575 - 2¹ = 22143443023573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22143443023575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143443023573) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 59027850 + ... + 59401800.

It is an arithmetic number, because the mean of its divisors is an integer number (296356773024).

Almost surely, 2^{22143443023575} is an apocalyptic number.

22143443023575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22143443023575 is a deficient number, since it is larger than the sum of its proper divisors (20531932291881).

22143443023575 is a wasteful number, since it uses less digits than its factorization.

22143443023575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374234 (or 374226 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 45.

Adding to 22143443023575 its reverse (57532034434122), we get a palindrome (79675477457697).

The spelling of 22143443023575 in words is "twenty-two trillion, one hundred forty-three billion, four hundred forty-three million, twenty-three thousand, five hundred seventy-five".