22349953 has 2 divisors, whose sum is σ = 22349954. Its totient is φ = 22349952.

The previous prime is 22349939. The next prime is 22349959. The reversal of 22349953 is 35994322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 9042049 = 3648^2 + 3007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22349953 is a prime.

It is not a weakly prime, because it can be changed into another prime (22349959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11174976 + 11174977.

It is an arithmetic number, because the mean of its divisors is an integer number (11174977).

Almost surely, 2^22349953 is an apocalyptic number.

It is an amenable number.

22349953 is a deficient number, since it is larger than the sum of its proper divisors (1).

22349953 is an equidigital number, since it uses as much as digits as its factorization.

22349953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 37.

The square root of 22349953 is about 4727.5736905944. The cubic root of 22349953 is about 281.6818545471.

It can be divided in two parts, 223 and 49953, that added together give a square (50176 = 224²).

The spelling of 22349953 in words is "twenty-two million, three hundred forty-nine thousand, nine hundred fifty-three".