2224131787 has 2 divisors, whose sum is σ = 2224131788. Its totient is φ = 2224131786.

The previous prime is 2224131761. The next prime is 2224131851. The reversal of 2224131787 is 7871314222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2224131787 - 2²⁷ = 2089914059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2224131757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112065893 + 1112065894.

It is an arithmetic number, because the mean of its divisors is an integer number (1112065894).

Almost surely, 2^2224131787 is an apocalyptic number.

2224131787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2224131787 is an equidigital number, since it uses as much as digits as its factorization.

2224131787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 37.

The square root of 2224131787 is about 47160.7017229388. The cubic root of 2224131787 is about 1305.3295580437.

The spelling of 2224131787 in words is "two billion, two hundred twenty-four million, one hundred thirty-one thousand, seven hundred eighty-seven".