22601197 has 2 divisors, whose sum is σ = 22601198. Its totient is φ = 22601196.

The previous prime is 22601147. The next prime is 22601231. The reversal of 22601197 is 79110622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21706281 + 894916 = 4659^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 22601197 - 2⁷ = 22601069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22601147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11300598 + 11300599.

It is an arithmetic number, because the mean of its divisors is an integer number (11300599).

Almost surely, 2^22601197 is an apocalyptic number.

It is an amenable number.

22601197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22601197 is an equidigital number, since it uses as much as digits as its factorization.

22601197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 22601197 is about 4754.0716233561. The cubic root of 22601197 is about 282.7334202573.

The spelling of 22601197 in words is "twenty-two million, six hundred one thousand, one hundred ninety-seven".