22734889019 has 4 divisors (see below), whose sum is σ = 22737932280. Its totient is φ = 22731845760.

The previous prime is 22734888977. The next prime is 22734889069. The reversal of 22734889019 is 91098843722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91098843722 = 2 ⋅45549421861.

It is a cyclic number.

It is not a de Polignac number, because 22734889019 - 2⁸ = 22734888763 is a prime.

It is a super-2 number, since 2×22734889019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22734889069) 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, 1510397 + ... + 1525374.

It is an arithmetic number, because the mean of its divisors is an integer number (5684483070).

Almost surely, 2^22734889019 is an apocalyptic number.

22734889019 is a deficient number, since it is larger than the sum of its proper divisors (3043261).

22734889019 is an equidigital number, since it uses as much as digits as its factorization.

22734889019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043260.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 22734889019 in words is "twenty-two billion, seven hundred thirty-four million, eight hundred eighty-nine thousand, nineteen".