22390363 has 2 divisors, whose sum is σ = 22390364. Its totient is φ = 22390362.

The previous prime is 22390337. The next prime is 22390369. The reversal of 22390363 is 36309322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22390363 is a prime.

It is not a weakly prime, because it can be changed into another prime (22390369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11195181 + 11195182.

It is an arithmetic number, because the mean of its divisors is an integer number (11195182).

Almost surely, 2^22390363 is an apocalyptic number.

22390363 is a deficient number, since it is larger than the sum of its proper divisors (1).

22390363 is an equidigital number, since it uses as much as digits as its factorization.

22390363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 22390363 is about 4731.8456230101. The cubic root of 22390363 is about 281.8515179970.

Adding to 22390363 its reverse (36309322), we get a palindrome (58699685).

The spelling of 22390363 in words is "twenty-two million, three hundred ninety thousand, three hundred sixty-three".