4422345345521 has 8 divisors (see below), whose sum is σ = 4463697862944. Its totient is φ = 4381124315680.

The previous prime is 4422345345493. The next prime is 4422345345533. The reversal of 4422345345521 is 1255435432244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4422345345521 is a prime.

It is a super-2 number, since 2×4422345345521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4422345365521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32804315 + ... + 32938848.

It is an arithmetic number, because the mean of its divisors is an integer number (557962232868).

Almost surely, 2^{4422345345521} is an apocalyptic number.

It is an amenable number.

4422345345521 is a deficient number, since it is larger than the sum of its proper divisors (41352517423).

4422345345521 is a wasteful number, since it uses less digits than its factorization.

4422345345521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65743791.

The product of its digits is 2304000, while the sum is 44.

The spelling of 4422345345521 in words is "four trillion, four hundred twenty-two billion, three hundred forty-five million, three hundred forty-five thousand, five hundred twenty-one".