1078222459 has 2 divisors, whose sum is σ = 1078222460. Its totient is φ = 1078222458.

The previous prime is 1078222447. The next prime is 1078222477. The reversal of 1078222459 is 9542228701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1078222459 - 2⁵ = 1078222427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078222559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539111229 + 539111230.

It is an arithmetic number, because the mean of its divisors is an integer number (539111230).

Almost surely, 2^1078222459 is an apocalyptic number.

1078222459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078222459 is an equidigital number, since it uses as much as digits as its factorization.

1078222459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1078222459 is about 32836.2978881603. The cubic root of 1078222459 is about 1025.4223788484.

The spelling of 1078222459 in words is "one billion, seventy-eight million, two hundred twenty-two thousand, four hundred fifty-nine".