22145155152019 has 4 divisors (see below), whose sum is σ = 22233382862040. Its totient is φ = 22056927442000.

The previous prime is 22145155152017. The next prime is 22145155152037. The reversal of 22145155152019 is 91025155154122.

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

It is a cyclic number.

It is not a de Polignac number, because 22145155152019 - 2¹ = 22145155152017 is a prime.

It is a super-2 number, since 2×22145155152019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22145155152017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44113854634 + ... + 44113855135.

It is an arithmetic number, because the mean of its divisors is an integer number (5558345715510).

Almost surely, 2^{22145155152019} is an apocalyptic number.

22145155152019 is a deficient number, since it is larger than the sum of its proper divisors (88227710021).

22145155152019 is an equidigital number, since it uses as much as digits as its factorization.

22145155152019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88227710020.

The product of its (nonzero) digits is 180000, while the sum is 43.

The spelling of 22145155152019 in words is "twenty-two trillion, one hundred forty-five billion, one hundred fifty-five million, one hundred fifty-two thousand, nineteen".