2210219987 has 2 divisors, whose sum is σ = 2210219988. Its totient is φ = 2210219986.

The previous prime is 2210219969. The next prime is 2210219993. The reversal of 2210219987 is 7899120122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2210219987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210219387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105109993 + 1105109994.

It is an arithmetic number, because the mean of its divisors is an integer number (1105109994).

Almost surely, 2^2210219987 is an apocalyptic number.

2210219987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210219987 is an equidigital number, since it uses as much as digits as its factorization.

2210219987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 2210219987 is about 47012.9767936471. The cubic root of 2210219987 is about 1302.6022799055.

The spelling of 2210219987 in words is "two billion, two hundred ten million, two hundred nineteen thousand, nine hundred eighty-seven".