22097737 has 2 divisors, whose sum is σ = 22097738. Its totient is φ = 22097736.

The previous prime is 22097717. The next prime is 22097749. The reversal of 22097737 is 73779022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20259001 + 1838736 = 4501^2 + 1356^2 .

It is a cyclic number.

It is not a de Polignac number, because 22097737 - 2⁷ = 22097609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22097696 and 22097705.

It is not a weakly prime, because it can be changed into another prime (22097717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11048868 + 11048869.

It is an arithmetic number, because the mean of its divisors is an integer number (11048869).

Almost surely, 2^22097737 is an apocalyptic number.

It is an amenable number.

22097737 is a deficient number, since it is larger than the sum of its proper divisors (1).

22097737 is an equidigital number, since it uses as much as digits as its factorization.

22097737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 22097737 is about 4700.8230130478. The cubic root of 22097737 is about 280.6182639177.

The spelling of 22097737 in words is "twenty-two million, ninety-seven thousand, seven hundred thirty-seven".