22748029 has 2 divisors, whose sum is σ = 22748030. Its totient is φ = 22748028.

The previous prime is 22748027. The next prime is 22748087. The reversal of 22748029 is 92084722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14424804 + 8323225 = 3798^2 + 2885^2 .

It is a cyclic number.

It is not a de Polignac number, because 22748029 - 2¹ = 22748027 is a prime.

Together with 22748027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22747985 and 22748003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22748027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11374014 + 11374015.

It is an arithmetic number, because the mean of its divisors is an integer number (11374015).

Almost surely, 2^22748029 is an apocalyptic number.

It is an amenable number.

22748029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22748029 is an equidigital number, since it uses as much as digits as its factorization.

22748029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 22748029 is about 4769.4893856680. The cubic root of 22748029 is about 283.3443721958.

The spelling of 22748029 in words is "twenty-two million, seven hundred forty-eight thousand, twenty-nine".