34224344021 has 4 divisors (see below), whose sum is σ = 39113536032. Its totient is φ = 29335152012.

The previous prime is 34224344017. The next prime is 34224344023. The reversal of 34224344021 is 12044342243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12044342243 = 3719 ⋅3238597.

It is a cyclic number.

It is not a de Polignac number, because 34224344021 - 2² = 34224344017 is a prime.

It is a super-5 number, since 5×34224344021⁵ (a number of 54 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34224344023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2444595995 + ... + 2444596008.

It is an arithmetic number, because the mean of its divisors is an integer number (9778384008).

Almost surely, 2^34224344021 is an apocalyptic number.

It is an amenable number.

34224344021 is a deficient number, since it is larger than the sum of its proper divisors (4889192011).

34224344021 is an equidigital number, since it uses as much as digits as its factorization.

34224344021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889192010.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 34224344021 its reverse (12044342243), we get a palindrome (46268686264).

The spelling of 34224344021 in words is "thirty-four billion, two hundred twenty-four million, three hundred forty-four thousand, twenty-one".