16222057 has 2 divisors, whose sum is σ = 16222058. Its totient is φ = 16222056.

The previous prime is 16222043. The next prime is 16222069. The reversal of 16222057 is 75022261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16152361 + 69696 = 4019^2 + 264^2 .

It is an emirp because it is prime and its reverse (75022261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16222057 - 2⁷ = 16221929 is a prime.

It is a super-2 number, since 2×16222057² = 526310266622498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16222007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8111028 + 8111029.

It is an arithmetic number, because the mean of its divisors is an integer number (8111029).

Almost surely, 2^16222057 is an apocalyptic number.

It is an amenable number.

16222057 is a deficient number, since it is larger than the sum of its proper divisors (1).

16222057 is an equidigital number, since it uses as much as digits as its factorization.

16222057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 16222057 is about 4027.6614803134. The cubic root of 16222057 is about 253.1445845132.

The spelling of 16222057 in words is "sixteen million, two hundred twenty-two thousand, fifty-seven".