322052352421 has 8 divisors (see below), whose sum is σ = 336178709624. Its totient is φ = 308211376320.

The previous prime is 322052352367. The next prime is 322052352437. The reversal of 322052352421 is 124253250223.

It can be written as a sum of positive squares in 4 ways, for example, as 114037913025 + 208014439396 = 337695^2 + 456086^2 .

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-322052352421 is a prime.

It is a super-2 number, since 2×322052352421² (a number of 24 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 (322052352451) 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, 71342970 + ... + 71347483.

It is an arithmetic number, because the mean of its divisors is an integer number (42022338703).

Almost surely, 2^322052352421 is an apocalyptic number.

It is an amenable number.

322052352421 is a deficient number, since it is larger than the sum of its proper divisors (14126357203).

322052352421 is a wasteful number, since it uses less digits than its factorization.

322052352421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142690551.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 322052352421 in words is "three hundred twenty-two billion, fifty-two million, three hundred fifty-two thousand, four hundred twenty-one".