22603361 has 4 divisors (see below), whose sum is σ = 24658224. Its totient is φ = 20548500.

The previous prime is 22603351. The next prime is 22603363. The reversal of 22603361 is 16330622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22603361 - 2¹⁰ = 22602337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22603363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027415 + ... + 1027436.

It is an arithmetic number, because the mean of its divisors is an integer number (6164556).

Almost surely, 2^22603361 is an apocalyptic number.

It is an amenable number.

22603361 is a deficient number, since it is larger than the sum of its proper divisors (2054863).

22603361 is a wasteful number, since it uses less digits than its factorization.

22603361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054862.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 22603361 is about 4754.2992122920. The cubic root of 22603361 is about 282.7424436082.

Adding to 22603361 its reverse (16330622), we get a palindrome (38933983).

The spelling of 22603361 in words is "twenty-two million, six hundred three thousand, three hundred sixty-one".