22443049 has 2 divisors, whose sum is σ = 22443050. Its totient is φ = 22443048.

The previous prime is 22443023. The next prime is 22443061. The reversal of 22443049 is 94034422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18983449 + 3459600 = 4357^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 22443049 - 2¹³ = 22434857 is a prime.

It is not a weakly prime, because it can be changed into another prime (22443649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221524 + 11221525.

It is an arithmetic number, because the mean of its divisors is an integer number (11221525).

Almost surely, 2^22443049 is an apocalyptic number.

It is an amenable number.

22443049 is a deficient number, since it is larger than the sum of its proper divisors (1).

22443049 is an equidigital number, since it uses as much as digits as its factorization.

22443049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 22443049 is about 4737.4095242020. The cubic root of 22443049 is about 282.0724165579.

The spelling of 22443049 in words is "twenty-two million, four hundred forty-three thousand, forty-nine".