2224121987 has 2 divisors, whose sum is σ = 2224121988. Its totient is φ = 2224121986.

The previous prime is 2224121971. The next prime is 2224122013. The reversal of 2224121987 is 7891214222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2224121987 - 2⁴ = 2224121971 is a prime.

It is a super-2 number, since 2×2224121987² = 9893437226113656338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2224121987.

It is not a weakly prime, because it can be changed into another prime (2224121927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112060993 + 1112060994.

It is an arithmetic number, because the mean of its divisors is an integer number (1112060994).

Almost surely, 2^2224121987 is an apocalyptic number.

2224121987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224121987 is an equidigital number, since it uses as much as digits as its factorization.

2224121987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

The square root of 2224121987 is about 47160.5978227588. The cubic root of 2224121987 is about 1305.3276408538.

The spelling of 2224121987 in words is "two billion, two hundred twenty-four million, one hundred twenty-one thousand, nine hundred eighty-seven".