1097818223 has 2 divisors, whose sum is σ = 1097818224. Its totient is φ = 1097818222.

The previous prime is 1097818219. The next prime is 1097818237. The reversal of 1097818223 is 3228187901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1097818223 - 2² = 1097818219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097812223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548909111 + 548909112.

It is an arithmetic number, because the mean of its divisors is an integer number (548909112).

Almost surely, 2^1097818223 is an apocalyptic number.

1097818223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097818223 is an equidigital number, since it uses as much as digits as its factorization.

1097818223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1097818223 is about 33133.3400519779. The cubic root of 1097818223 is about 1031.5971773686.

The spelling of 1097818223 in words is "one billion, ninety-seven million, eight hundred eighteen thousand, two hundred twenty-three".