22219073 has 2 divisors, whose sum is σ = 22219074. Its totient is φ = 22219072.

The previous prime is 22219063. The next prime is 22219079. The reversal of 22219073 is 37091222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22202944 + 16129 = 4712^2 + 127^2 .

It is a cyclic number.

It is not a de Polignac number, because 22219073 - 2²⁴ = 5441857 is a prime.

It is not a weakly prime, because it can be changed into another prime (22219079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11109536 + 11109537.

It is an arithmetic number, because the mean of its divisors is an integer number (11109537).

Almost surely, 2^22219073 is an apocalyptic number.

It is an amenable number.

22219073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22219073 is an equidigital number, since it uses as much as digits as its factorization.

22219073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 22219073 is about 4713.7111706171. The cubic root of 22219073 is about 281.1309403554.

The spelling of 22219073 in words is "twenty-two million, two hundred nineteen thousand, seventy-three".