1508228881 has 2 divisors, whose sum is σ = 1508228882. Its totient is φ = 1508228880.

The previous prime is 1508228861. The next prime is 1508228903. The reversal of 1508228881 is 1888228051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 770617600 + 737611281 = 27760^2 + 27159^2 .

It is an emirp because it is prime and its reverse (1888228051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1508228881 - 2⁵ = 1508228849 is a prime.

It is a super-2 number, since 2×1508228881² = 4549508714965024322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1508228861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 754114440 + 754114441.

It is an arithmetic number, because the mean of its divisors is an integer number (754114441).

Almost surely, 2^1508228881 is an apocalyptic number.

It is an amenable number.

1508228881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1508228881 is an equidigital number, since it uses as much as digits as its factorization.

1508228881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81920, while the sum is 43.

The square root of 1508228881 is about 38835.9225588887. The cubic root of 1508228881 is about 1146.8036968453.

The spelling of 1508228881 in words is "one billion, five hundred eight million, two hundred twenty-eight thousand, eight hundred eighty-one".