7842222487 has 8 divisors (see below), whose sum is σ = 8630862480. Its totient is φ = 7066200960.

The previous prime is 7842222463. The next prime is 7842222511.

7842222487 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (7842222463) and next prime (7842222511).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7842222487 - 2¹⁹ = 7841698199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7842222407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3153312 + ... + 3155797.

It is an arithmetic number, because the mean of its divisors is an integer number (1078857810).

Almost surely, 2^7842222487 is an apocalyptic number.

7842222487 is a deficient number, since it is larger than the sum of its proper divisors (788639993).

7842222487 is a wasteful number, since it uses less digits than its factorization.

7842222487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309233.

The product of its digits is 802816, while the sum is 46.

The square root of 7842222487 is about 88556.3238114591. The cubic root of 7842222487 is about 1986.7644776057.

The spelling of 7842222487 in words is "seven billion, eight hundred forty-two million, two hundred twenty-two thousand, four hundred eighty-seven".