788222887 has 4 divisors (see below), whose sum is σ = 796027176. Its totient is φ = 780418600.

The previous prime is 788222861. The next prime is 788222891.

788222887 is nontrivially palindromic in base 10.

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 788222887 - 2²⁷ = 654005159 is a prime.

It is a super-2 number, since 2×788222887² = 1242590639181229538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788222287) 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, 3901993 + ... + 3902194.

It is an arithmetic number, because the mean of its divisors is an integer number (199006794).

Almost surely, 2^788222887 is an apocalyptic number.

788222887 is a deficient number, since it is larger than the sum of its proper divisors (7804289).

788222887 is a wasteful number, since it uses less digits than its factorization.

788222887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804288.

The product of its digits is 1605632, while the sum is 52.

The square root of 788222887 is about 28075.3074248529. The cubic root of 788222887 is about 923.7398519115.

The spelling of 788222887 in words is "seven hundred eighty-eight million, two hundred twenty-two thousand, eight hundred eighty-seven".