22222102387 has 2 divisors, whose sum is σ = 22222102388. Its totient is φ = 22222102386.

The previous prime is 22222102379. The next prime is 22222102439. The reversal of 22222102387 is 78320122222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22222102387 - 2³ = 22222102379 is a prime.

It is a super-2 number, since 2×22222102387² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22222102337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111051193 + 11111051194.

It is an arithmetic number, because the mean of its divisors is an integer number (11111051194).

Almost surely, 2^22222102387 is an apocalyptic number.

22222102387 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222102387 is an equidigital number, since it uses as much as digits as its factorization.

22222102387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

It can be divided in two parts, 22222 and 102387, that added together give a square (124609 = 353²).

The spelling of 22222102387 in words is "twenty-two billion, two hundred twenty-two million, one hundred two thousand, three hundred eighty-seven".