222076949 has 2 divisors, whose sum is σ = 222076950. Its totient is φ = 222076948.

The previous prime is 222076913. The next prime is 222076973. The reversal of 222076949 is 949670222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139594225 + 82482724 = 11815^2 + 9082^2 .

It is a cyclic number.

It is not a de Polignac number, because 222076949 - 2²⁴ = 205299733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222076999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111038474 + 111038475.

It is an arithmetic number, because the mean of its divisors is an integer number (111038475).

Almost surely, 2^222076949 is an apocalyptic number.

It is an amenable number.

222076949 is a deficient number, since it is larger than the sum of its proper divisors (1).

222076949 is an equidigital number, since it uses as much as digits as its factorization.

222076949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 222076949 is about 14902.2464413927. The cubic root of 222076949 is about 605.5748460233.

The spelling of 222076949 in words is "two hundred twenty-two million, seventy-six thousand, nine hundred forty-nine".