22066744 has 16 divisors (see below), whose sum is σ = 47286000. Its totient is φ = 9457152.

The previous prime is 22066741. The next prime is 22066757. The reversal of 22066744 is 44766022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066741) 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 in 3 ways as a sum of consecutive naturals, for example, 196969 + ... + 197080.

It is an arithmetic number, because the mean of its divisors is an integer number (2955375).

Almost surely, 2^22066744 is an apocalyptic number.

It is an amenable number.

22066744 is an abundant number, since it is smaller than the sum of its proper divisors (25219256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22066744 is a wasteful number, since it uses less digits than its factorization.

22066744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394062 (or 394058 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 22066744 is about 4697.5253059457. The cubic root of 22066744 is about 280.4870095863.

The spelling of 22066744 in words is "twenty-two million, sixty-six thousand, seven hundred forty-four".