222227497 has 2 divisors, whose sum is σ = 222227498. Its totient is φ = 222227496.

The previous prime is 222227491. The next prime is 222227527. The reversal of 222227497 is 794722222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199911321 + 22316176 = 14139^2 + 4724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222227497 is a prime.

It is not a weakly prime, because it can be changed into another prime (222227491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111113748 + 111113749.

It is an arithmetic number, because the mean of its divisors is an integer number (111113749).

Almost surely, 2^222227497 is an apocalyptic number.

It is an amenable number.

222227497 is a deficient number, since it is larger than the sum of its proper divisors (1).

222227497 is an equidigital number, since it uses as much as digits as its factorization.

222227497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 222227497 is about 14907.2967703739. The cubic root of 222227497 is about 605.7116566931.

The spelling of 222227497 in words is "two hundred twenty-two million, two hundred twenty-seven thousand, four hundred ninety-seven".