326420524226221 has 8 divisors (see below), whose sum is σ = 327013454275200. Its totient is φ = 325827737188032.

The previous prime is 326420524226213. The next prime is 326420524226393. The reversal of 326420524226221 is 122622425024623.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 326420524226221 - 2³ = 326420524226213 is a prime.

It is a super-2 number, since 2×326420524226221² (a number of 30 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 (326420524256221) 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, 31183045 + ... + 40314058.

It is an arithmetic number, because the mean of its divisors is an integer number (40876681784400).

Almost surely, 2^{326420524226221} is an apocalyptic number.

It is an amenable number.

326420524226221 is a deficient number, since it is larger than the sum of its proper divisors (592930048979).

326420524226221 is an equidigital number, since it uses as much as digits as its factorization.

326420524226221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71505395.

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 326420524226221 in words is "three hundred twenty-six trillion, four hundred twenty billion, five hundred twenty-four million, two hundred twenty-six thousand, two hundred twenty-one".