22950149 has 2 divisors, whose sum is σ = 22950150. Its totient is φ = 22950148.

The previous prime is 22950139. The next prime is 22950167. The reversal of 22950149 is 94105922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14010049 + 8940100 = 3743^2 + 2990^2 .

It is a cyclic number.

It is not a de Polignac number, because 22950149 - 2⁸ = 22949893 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 (22950139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11475074 + 11475075.

It is an arithmetic number, because the mean of its divisors is an integer number (11475075).

Almost surely, 2^22950149 is an apocalyptic number.

It is an amenable number.

22950149 is a deficient number, since it is larger than the sum of its proper divisors (1).

22950149 is an equidigital number, since it uses as much as digits as its factorization.

22950149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 22950149 is about 4790.6313780127. The cubic root of 22950149 is about 284.1810861565.

The spelling of 22950149 in words is "twenty-two million, nine hundred fifty thousand, one hundred forty-nine".