222254771 has 2 divisors, whose sum is σ = 222254772. Its totient is φ = 222254770.

The previous prime is 222254759. The next prime is 222254803. The reversal of 222254771 is 177452222.

It is an a-pointer prime, because the next prime (222254803) can be obtained adding 222254771 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222254771 - 2¹⁸ = 221992627 is a prime.

It is not a weakly prime, because it can be changed into another prime (222254471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111127385 + 111127386.

It is an arithmetic number, because the mean of its divisors is an integer number (111127386).

Almost surely, 2^222254771 is an apocalyptic number.

222254771 is a deficient number, since it is larger than the sum of its proper divisors (1).

222254771 is an equidigital number, since it uses as much as digits as its factorization.

222254771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 32.

The square root of 222254771 is about 14908.2115292211. The cubic root of 222254771 is about 605.7364353609.

The spelling of 222254771 in words is "two hundred twenty-two million, two hundred fifty-four thousand, seven hundred seventy-one".