22233949 has 2 divisors, whose sum is σ = 22233950. Its totient is φ = 22233948.

The previous prime is 22233919. The next prime is 22233979. The reversal of 22233949 is 94933222.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22233919) and next prime (22233979).

It can be written as a sum of positive squares in only one way, i.e., 18404100 + 3829849 = 4290^2 + 1957^2 .

It is a cyclic number.

It is not a de Polignac number, because 22233949 - 2⁵ = 22233917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22233919) 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, 11116974 + 11116975.

It is an arithmetic number, because the mean of its divisors is an integer number (11116975).

Almost surely, 2^22233949 is an apocalyptic number.

It is an amenable number.

22233949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22233949 is an equidigital number, since it uses as much as digits as its factorization.

22233949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The square root of 22233949 is about 4715.2888564753. The cubic root of 22233949 is about 281.1936668080.

The spelling of 22233949 in words is "twenty-two million, two hundred thirty-three thousand, nine hundred forty-nine".