22213073 has 2 divisors, whose sum is σ = 22213074. Its totient is φ = 22213072.

The previous prime is 22213063. The next prime is 22213091. The reversal of 22213073 is 37031222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22118209 + 94864 = 4703^2 + 308^2 .

It is a cyclic number.

It is not a de Polignac number, because 22213073 - 2¹⁰ = 22212049 is a prime.

It is a super-2 number, since 2×22213073² = 986841224206658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22213063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106536 + 11106537.

It is an arithmetic number, because the mean of its divisors is an integer number (11106537).

Almost surely, 2^22213073 is an apocalyptic number.

It is an amenable number.

22213073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22213073 is an equidigital number, since it uses as much as digits as its factorization.

22213073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 22213073 is about 4713.0746864441. The cubic root of 22213073 is about 281.1056327064.

Adding to 22213073 its reverse (37031222), we get a palindrome (59244295).

The spelling of 22213073 in words is "twenty-two million, two hundred thirteen thousand, seventy-three".