221773270762043 has 16 divisors (see below), whose sum is σ = 297765510395136. Its totient is φ = 159517237710240.

The previous prime is 221773270761947. The next prime is 221773270762067. The reversal of 221773270762043 is 340267072377122.

It is a cyclic number.

It is not a de Polignac number, because 221773270762043 - 2¹⁴ = 221773270745659 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (221773270762843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110775858521 + ... + 110775860522.

It is an arithmetic number, because the mean of its divisors is an integer number (18610344399696).

Almost surely, 2^{221773270762043} is an apocalyptic number.

221773270762043 is a deficient number, since it is larger than the sum of its proper divisors (75992239633093).

221773270762043 is a wasteful number, since it uses less digits than its factorization.

221773270762043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221551719074.

The product of its (nonzero) digits is 8297856, while the sum is 53.

The spelling of 221773270762043 in words is "two hundred twenty-one trillion, seven hundred seventy-three billion, two hundred seventy million, seven hundred sixty-two thousand, forty-three".