22073897 has 2 divisors, whose sum is σ = 22073898. Its totient is φ = 22073896.

The previous prime is 22073873. The next prime is 22073911. The reversal of 22073897 is 79837022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13169641 + 8904256 = 3629^2 + 2984^2 .

It is a cyclic number.

It is not a de Polignac number, because 22073897 - 2¹⁰ = 22072873 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22073897.

It is not a weakly prime, because it can be changed into another prime (22073197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11036948 + 11036949.

It is an arithmetic number, because the mean of its divisors is an integer number (11036949).

Almost surely, 2^22073897 is an apocalyptic number.

It is an amenable number.

22073897 is a deficient number, since it is larger than the sum of its proper divisors (1).

22073897 is an equidigital number, since it uses as much as digits as its factorization.

22073897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 22073897 is about 4698.2866025818. The cubic root of 22073897 is about 280.5173132087.

The spelling of 22073897 in words is "twenty-two million, seventy-three thousand, eight hundred ninety-seven".