2201479987 has 32 divisors (see below), whose sum is σ = 2718144000. Its totient is φ = 1779198624.

The previous prime is 2201479981. The next prime is 2201479999. The reversal of 2201479987 is 7899741022.

It is not a de Polignac number, because 2201479987 - 2³ = 2201479979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201479987.

It is not an unprimeable number, because it can be changed into a prime (2201479981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425148 + ... + 430294.

It is an arithmetic number, because the mean of its divisors is an integer number (84942000).

Almost surely, 2^2201479987 is an apocalyptic number.

2201479987 is a deficient number, since it is larger than the sum of its proper divisors (516664013).

2201479987 is an equidigital number, since it uses as much as digits as its factorization.

2201479987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240 (or 5226 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 2201479987 is about 46919.9316602230. The cubic root of 2201479987 is about 1300.8830266944.

The spelling of 2201479987 in words is "two billion, two hundred one million, four hundred seventy-nine thousand, nine hundred eighty-seven".