352221646122253 has 16 divisors (see below), whose sum is σ = 372713803197696. Its totient is φ = 332161044526080.

The previous prime is 352221646122223. The next prime is 352221646122289.

352221646122253 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 352221646122253 - 2¹⁷ = 352221645991181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352221646122223) 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, 681056875 + ... + 681573847.

It is an arithmetic number, because the mean of its divisors is an integer number (23294612699856).

Almost surely, 2^{352221646122253} is an apocalyptic number.

It is an amenable number.

352221646122253 is a deficient number, since it is larger than the sum of its proper divisors (20492157075443).

352221646122253 is a wasteful number, since it uses less digits than its factorization.

352221646122253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934284.

The product of its digits is 2073600, while the sum is 46.

The spelling of 352221646122253 in words is "three hundred fifty-two trillion, two hundred twenty-one billion, six hundred forty-six million, one hundred twenty-two thousand, two hundred fifty-three".