22653403 has 2 divisors, whose sum is σ = 22653404. Its totient is φ = 22653402.

The previous prime is 22653359. The next prime is 22653427. The reversal of 22653403 is 30435622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22653403 is a prime.

It is not a weakly prime, because it can be changed into another prime (22653203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11326701 + 11326702.

It is an arithmetic number, because the mean of its divisors is an integer number (11326702).

Almost surely, 2^22653403 is an apocalyptic number.

22653403 is a deficient number, since it is larger than the sum of its proper divisors (1).

22653403 is an equidigital number, since it uses as much as digits as its factorization.

22653403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 22653403 is about 4759.5591182377. The cubic root of 22653403 is about 282.9509460608.

The spelling of 22653403 in words is "twenty-two million, six hundred fifty-three thousand, four hundred three".