222563211881 has 2 divisors, whose sum is σ = 222563211882. Its totient is φ = 222563211880.

The previous prime is 222563211869. The next prime is 222563211887. The reversal of 222563211881 is 188112365222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199719610000 + 22843601881 = 446900^2 + 151141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222563211881 is a prime.

It is a super-2 number, since 2×222563211881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222563211887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111281605940 + 111281605941.

It is an arithmetic number, because the mean of its divisors is an integer number (111281605941).

Almost surely, 2^222563211881 is an apocalyptic number.

It is an amenable number.

222563211881 is a deficient number, since it is larger than the sum of its proper divisors (1).

222563211881 is an equidigital number, since it uses as much as digits as its factorization.

222563211881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 41.

The spelling of 222563211881 in words is "two hundred twenty-two billion, five hundred sixty-three million, two hundred eleven thousand, eight hundred eighty-one".