2220301987 has 16 divisors (see below), whose sum is σ = 2395229760. Its totient is φ = 2052864000.

The previous prime is 2220301931. The next prime is 2220302003. The reversal of 2220301987 is 7891030222.

It is a cyclic number.

It is not a de Polignac number, because 2220301987 - 2¹⁹ = 2219777699 is a prime.

It is a super-2 number, since 2×2220301987² = 9859481826952296338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220305987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91987 + ... + 113587.

It is an arithmetic number, because the mean of its divisors is an integer number (149701860).

Almost surely, 2^2220301987 is an apocalyptic number.

2220301987 is a deficient number, since it is larger than the sum of its proper divisors (174927773).

2220301987 is a wasteful number, since it uses less digits than its factorization.

2220301987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21774.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 2220301987 is about 47120.0805071468. The cubic root of 2220301987 is about 1304.5798987361.

The spelling of 2220301987 in words is "two billion, two hundred twenty million, three hundred one thousand, nine hundred eighty-seven".