22744426 has 4 divisors (see below), whose sum is σ = 34116642. Its totient is φ = 11372212.

The previous prime is 22744411. The next prime is 22744429. The reversal of 22744426 is 62444722.

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., 13140625 + 9603801 = 3625^2 + 3099^2 .

It is not an unprimeable number, because it can be changed into a prime (22744429) 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, 5686105 + ... + 5686108.

Almost surely, 2^22744426 is an apocalyptic number.

22744426 is a deficient number, since it is larger than the sum of its proper divisors (11372216).

22744426 is a wasteful number, since it uses less digits than its factorization.

22744426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11372215.

The product of its digits is 21504, while the sum is 31.

The square root of 22744426 is about 4769.1116573215. Note that the first 3 decimals coincide. The cubic root of 22744426 is about 283.3294120180.

The spelling of 22744426 in words is "twenty-two million, seven hundred forty-four thousand, four hundred twenty-six".