22478363 has 2 divisors, whose sum is σ = 22478364. Its totient is φ = 22478362.

The previous prime is 22478353. The next prime is 22478371. The reversal of 22478363 is 36387422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22478363 - 2¹² = 22474267 is a prime.

It is not a weakly prime, because it can be changed into another prime (22478303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11239181 + 11239182.

It is an arithmetic number, because the mean of its divisors is an integer number (11239182).

Almost surely, 2^22478363 is an apocalyptic number.

22478363 is a deficient number, since it is larger than the sum of its proper divisors (1).

22478363 is an equidigital number, since it uses as much as digits as its factorization.

22478363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The square root of 22478363 is about 4741.1352016157. The cubic root of 22478363 is about 282.2202854341.

It can be divided in two parts, 224 and 78363, that added together give a palindrome (78587).

The spelling of 22478363 in words is "twenty-two million, four hundred seventy-eight thousand, three hundred sixty-three".