1228350671 has 2 divisors, whose sum is σ = 1228350672. Its totient is φ = 1228350670.

The previous prime is 1228350667. The next prime is 1228350707. The reversal of 1228350671 is 1760538221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1228350671 - 2² = 1228350667 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228350601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614175335 + 614175336.

It is an arithmetic number, because the mean of its divisors is an integer number (614175336).

Almost surely, 2^1228350671 is an apocalyptic number.

1228350671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228350671 is an equidigital number, since it uses as much as digits as its factorization.

1228350671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1228350671 is about 35047.8340414925. The cubic root of 1228350671 is about 1070.9621505529.

Adding to 1228350671 its reverse (1760538221), we get a palindrome (2988888892).

The spelling of 1228350671 in words is "one billion, two hundred twenty-eight million, three hundred fifty thousand, six hundred seventy-one".