22078097 has 2 divisors, whose sum is σ = 22078098. Its totient is φ = 22078096.

The previous prime is 22078093. The next prime is 22078117. The reversal of 22078097 is 79087022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11082241 + 10995856 = 3329^2 + 3316^2 .

It is a cyclic number.

It is not a de Polignac number, because 22078097 - 2² = 22078093 is a prime.

It is not a weakly prime, because it can be changed into another prime (22078093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11039048 + 11039049.

It is an arithmetic number, because the mean of its divisors is an integer number (11039049).

Almost surely, 2^22078097 is an apocalyptic number.

It is an amenable number.

22078097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22078097 is an equidigital number, since it uses as much as digits as its factorization.

22078097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 22078097 is about 4698.7335527778. The cubic root of 22078097 is about 280.5351034218.

The spelling of 22078097 in words is "twenty-two million, seventy-eight thousand, ninety-seven".