2237642087 has 2 divisors, whose sum is σ = 2237642088. Its totient is φ = 2237642086.

The previous prime is 2237642053. The next prime is 2237642123. The reversal of 2237642087 is 7802467322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2237642087 - 2⁶ = 2237642023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2237642587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118821043 + 1118821044.

It is an arithmetic number, because the mean of its divisors is an integer number (1118821044).

Almost surely, 2^2237642087 is an apocalyptic number.

2237642087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2237642087 is an equidigital number, since it uses as much as digits as its factorization.

2237642087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 2237642087 is about 47303.7217034770. The cubic root of 2237642087 is about 1307.9672623100.

The spelling of 2237642087 in words is "two billion, two hundred thirty-seven million, six hundred forty-two thousand, eighty-seven".