222025949 has 2 divisors, whose sum is σ = 222025950. Its totient is φ = 222025948.

The previous prime is 222025931. The next prime is 222025961. The reversal of 222025949 is 949520222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175377049 + 46648900 = 13243^2 + 6830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222025949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222025549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111012974 + 111012975.

It is an arithmetic number, because the mean of its divisors is an integer number (111012975).

Almost surely, 2^222025949 is an apocalyptic number.

It is an amenable number.

222025949 is a deficient number, since it is larger than the sum of its proper divisors (1).

222025949 is an equidigital number, since it uses as much as digits as its factorization.

222025949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 222025949 is about 14900.5351917305. The cubic root of 222025949 is about 605.5284856937.

The spelling of 222025949 in words is "two hundred twenty-two million, twenty-five thousand, nine hundred forty-nine".