22299503 has 2 divisors, whose sum is σ = 22299504. Its totient is φ = 22299502.

The previous prime is 22299451. The next prime is 22299523. The reversal of 22299503 is 30599222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22299503 - 2¹² = 22295407 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22299503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22299523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11149751 + 11149752.

It is an arithmetic number, because the mean of its divisors is an integer number (11149752).

Almost surely, 2^22299503 is an apocalyptic number.

22299503 is a deficient number, since it is larger than the sum of its proper divisors (1).

22299503 is an equidigital number, since it uses as much as digits as its factorization.

22299503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 22299503 is about 4722.2349581528. The cubic root of 22299503 is about 281.4697503637.

The spelling of 22299503 in words is "twenty-two million, two hundred ninety-nine thousand, five hundred three".