22468949 has 2 divisors, whose sum is σ = 22468950. Its totient is φ = 22468948.

The previous prime is 22468937. The next prime is 22468987. The reversal of 22468949 is 94986422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21298225 + 1170724 = 4615^2 + 1082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22468949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22468909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11234474 + 11234475.

It is an arithmetic number, because the mean of its divisors is an integer number (11234475).

Almost surely, 2^22468949 is an apocalyptic number.

It is an amenable number.

22468949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22468949 is an equidigital number, since it uses as much as digits as its factorization.

22468949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 22468949 is about 4740.1422974421. The cubic root of 22468949 is about 282.1808817233.

The spelling of 22468949 in words is "twenty-two million, four hundred sixty-eight thousand, nine hundred forty-nine".