2220220201987 has 2 divisors, whose sum is σ = 2220220201988. Its totient is φ = 2220220201986.

The previous prime is 2220220201973. The next prime is 2220220202023. The reversal of 2220220201987 is 7891020220222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220220201987 is a prime.

It is a super-2 number, since 2×2220220201987² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2220220201187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110110100993 + 1110110100994.

It is an arithmetic number, because the mean of its divisors is an integer number (1110110100994).

Almost surely, 2^{2220220201987} is an apocalyptic number.

2220220201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220220201987 is an equidigital number, since it uses as much as digits as its factorization.

2220220201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 2220220201987 in words is "two trillion, two hundred twenty billion, two hundred twenty million, two hundred one thousand, nine hundred eighty-seven".