2212225455643 has 4 divisors (see below), whose sum is σ = 2528257663600. Its totient is φ = 1896193247688.

The previous prime is 2212225455637. The next prime is 2212225455653. The reversal of 2212225455643 is 3465545222122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2212225455643 - 2²¹ = 2212223358491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212225455643.

It is not an unprimeable number, because it can be changed into a prime (2212225455613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158016103968 + ... + 158016103981.

It is an arithmetic number, because the mean of its divisors is an integer number (632064415900).

Almost surely, 2^{2212225455643} is an apocalyptic number.

2212225455643 is a deficient number, since it is larger than the sum of its proper divisors (316032207957).

2212225455643 is an equidigital number, since it uses as much as digits as its factorization.

2212225455643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316032207956.

The product of its digits is 1152000, while the sum is 43.

The spelling of 2212225455643 in words is "two trillion, two hundred twelve billion, two hundred twenty-five million, four hundred fifty-five thousand, six hundred forty-three".