2221155163443 has 8 divisors (see below), whose sum is σ = 2961577198800. Its totient is φ = 1480751618528.

The previous prime is 2221155163429. The next prime is 2221155163477. The reversal of 2221155163443 is 3443615511222.

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 2221155163443 - 2⁶ = 2221155163379 is a prime.

It is a super-2 number, since 2×2221155163443² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221155165443) 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, 4339848 + ... + 4824581.

It is an arithmetic number, because the mean of its divisors is an integer number (370197149850).

Almost surely, 2^{2221155163443} is an apocalyptic number.

2221155163443 is a deficient number, since it is larger than the sum of its proper divisors (740422035357).

2221155163443 is an equidigital number, since it uses as much as digits as its factorization.

2221155163443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9245221.

The product of its digits is 172800, while the sum is 39.

The spelling of 2221155163443 in words is "two trillion, two hundred twenty-one billion, one hundred fifty-five million, one hundred sixty-three thousand, four hundred forty-three".