222002201987 has 4 divisors (see below), whose sum is σ = 222339080040. Its totient is φ = 221665323936.

The previous prime is 222002201983. The next prime is 222002202011. The reversal of 222002201987 is 789102200222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222002201987 - 2² = 222002201983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222002201983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168438038 + ... + 168439355.

It is an arithmetic number, because the mean of its divisors is an integer number (55584770010).

Almost surely, 2^222002201987 is an apocalyptic number.

222002201987 is a deficient number, since it is larger than the sum of its proper divisors (336878053).

222002201987 is an equidigital number, since it uses as much as digits as its factorization.

222002201987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336878052.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 222002201987 in words is "two hundred twenty-two billion, two million, two hundred one thousand, nine hundred eighty-seven".