16222867 has 2 divisors, whose sum is σ = 16222868. Its totient is φ = 16222866.

The previous prime is 16222859. The next prime is 16222891. The reversal of 16222867 is 76822261.

It is a weak prime.

It is an emirp because it is prime and its reverse (76822261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16222867 - 2³ = 16222859 is a prime.

It is not a weakly prime, because it can be changed into another prime (16222807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8111433 + 8111434.

It is an arithmetic number, because the mean of its divisors is an integer number (8111434).

Almost surely, 2^16222867 is an apocalyptic number.

16222867 is a deficient number, since it is larger than the sum of its proper divisors (1).

16222867 is an equidigital number, since it uses as much as digits as its factorization.

16222867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 16222867 is about 4027.7620336857. The cubic root of 16222867 is about 253.1487977829.

It can be divided in two parts, 1622 and 2867, that added together give a square (4489 = 67²).

The spelling of 16222867 in words is "sixteen million, two hundred twenty-two thousand, eight hundred sixty-seven".