22709954 has 4 divisors (see below), whose sum is σ = 34064934. Its totient is φ = 11354976.

The previous prime is 22709933. The next prime is 22709957. The reversal of 22709954 is 45990722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22306729 + 403225 = 4723^2 + 635^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22709957) 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, 5677487 + ... + 5677490.

Almost surely, 2^22709954 is an apocalyptic number.

22709954 is a deficient number, since it is larger than the sum of its proper divisors (11354980).

22709954 is a wasteful number, since it uses less digits than its factorization.

22709954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354979.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 22709954 is about 4765.4961966200. The cubic root of 22709954 is about 283.1861993472.

The spelling of 22709954 in words is "twenty-two million, seven hundred nine thousand, nine hundred fifty-four".