1228246049 has 2 divisors, whose sum is σ = 1228246050. Its totient is φ = 1228246048.

The previous prime is 1228246001. The next prime is 1228246067. The reversal of 1228246049 is 9406428221.

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., 982383649 + 245862400 = 31343^2 + 15680^2 .

It is an emirp because it is prime and its reverse (9406428221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1228246049 - 2¹² = 1228241953 is a prime.

It is a super-2 number, since 2×1228246049² = 3017176713768220802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1228246079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614123024 + 614123025.

It is an arithmetic number, because the mean of its divisors is an integer number (614123025).

Almost surely, 2^1228246049 is an apocalyptic number.

It is an amenable number.

1228246049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228246049 is an equidigital number, since it uses as much as digits as its factorization.

1228246049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1228246049 is about 35046.3414495722. The cubic root of 1228246049 is about 1070.9317440938.

The spelling of 1228246049 in words is "one billion, two hundred twenty-eight million, two hundred forty-six thousand, forty-nine".