22706446 has 32 divisors (see below), whose sum is σ = 40624128. Its totient is φ = 9313920.

The previous prime is 22706443. The next prime is 22706459. The reversal of 22706446 is 64460722.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22706443) 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 in 15 ways as a sum of consecutive naturals, for example, 48811 + ... + 49273.

It is an arithmetic number, because the mean of its divisors is an integer number (1269504).

Almost surely, 2^22706446 is an apocalyptic number.

22706446 is a deficient number, since it is larger than the sum of its proper divisors (17917682).

22706446 is a wasteful number, since it uses less digits than its factorization.

22706446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

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

The square root of 22706446 is about 4765.1281199985. The cubic root of 22706446 is about 283.1716173663.

The spelling of 22706446 in words is "twenty-two million, seven hundred six thousand, four hundred forty-six".