78222033022287 has 32 divisors (see below), whose sum is σ = 132685134220800. Its totient is φ = 40634822343360.

The previous prime is 78222033022277. The next prime is 78222033022297.

78222033022287 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (78222033022277) and next prime (78222033022297).

It is not a de Polignac number, because 78222033022287 - 2¹⁸ = 78222032760143 is a prime.

It is a super-2 number, since 2×78222033022287² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78222033022277) 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, 3455330718 + ... + 3455353355.

It is an arithmetic number, because the mean of its divisors is an integer number (4146410444400).

Almost surely, 2^{78222033022287} is an apocalyptic number.

78222033022287 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

78222033022287 is a deficient number, since it is larger than the sum of its proper divisors (54463101198513).

78222033022287 is a wasteful number, since it uses less digits than its factorization.

78222033022287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910684108 (or 6910684094 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 78222033022287 in words is "seventy-eight trillion, two hundred twenty-two billion, thirty-three million, twenty-two thousand, two hundred eighty-seven".