22603397 has 2 divisors, whose sum is σ = 22603398. Its totient is φ = 22603396.

The previous prime is 22603391. The next prime is 22603409. The reversal of 22603397 is 79330622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21585316 + 1018081 = 4646^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 22603397 - 2¹⁴ = 22587013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22603391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11301698 + 11301699.

It is an arithmetic number, because the mean of its divisors is an integer number (11301699).

Almost surely, 2^22603397 is an apocalyptic number.

It is an amenable number.

22603397 is a deficient number, since it is larger than the sum of its proper divisors (1).

22603397 is an equidigital number, since it uses as much as digits as its factorization.

22603397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 22603397 is about 4754.3029983374. The cubic root of 22603397 is about 282.7425937146.

The spelling of 22603397 in words is "twenty-two million, six hundred three thousand, three hundred ninety-seven".