3221222353453 has 16 divisors (see below), whose sum is σ = 3498960855040. Its totient is φ = 2947798054656.

The previous prime is 3221222353441. The next prime is 3221222353499. The reversal of 3221222353453 is 3543532221223.

It is not a de Polignac number, because 3221222353453 - 2²¹ = 3221220256301 is a prime.

It is a super-2 number, since 2×3221222353453² (a number of 26 digits) contains 22 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 (3221222353553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455733 + ... + 2926021.

It is an arithmetic number, because the mean of its divisors is an integer number (218685053440).

Almost surely, 2^{3221222353453} is an apocalyptic number.

It is an amenable number.

3221222353453 is a deficient number, since it is larger than the sum of its proper divisors (277738501587).

3221222353453 is a wasteful number, since it uses less digits than its factorization.

3221222353453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471756.

The product of its digits is 259200, while the sum is 37.

Adding to 3221222353453 its reverse (3543532221223), we get a palindrome (6764754574676).

The spelling of 3221222353453 in words is "three trillion, two hundred twenty-one billion, two hundred twenty-two million, three hundred fifty-three thousand, four hundred fifty-three".