22857403 has 2 divisors, whose sum is σ = 22857404. Its totient is φ = 22857402.

The previous prime is 22857397. The next prime is 22857407. The reversal of 22857403 is 30475822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22857403 is a prime.

It is not a weakly prime, because it can be changed into another prime (22857407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11428701 + 11428702.

It is an arithmetic number, because the mean of its divisors is an integer number (11428702).

Almost surely, 2^22857403 is an apocalyptic number.

22857403 is a deficient number, since it is larger than the sum of its proper divisors (1).

22857403 is an equidigital number, since it uses as much as digits as its factorization.

22857403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 22857403 is about 4780.9416436514. The cubic root of 22857403 is about 283.7977590437.

The spelling of 22857403 in words is "twenty-two million, eight hundred fifty-seven thousand, four hundred three".