22006534 has 32 divisors (see below), whose sum is σ = 39463200. Its totient is φ = 9085440.

The previous prime is 22006531. The next prime is 22006571. The reversal of 22006534 is 43560022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

22006534 is a modest number, since divided by 6534 gives 22 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22006531) 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, 9832 + ... + 11860.

It is an arithmetic number, because the mean of its divisors is an integer number (1233225).

Almost surely, 2^22006534 is an apocalyptic number.

22006534 is a deficient number, since it is larger than the sum of its proper divisors (17456666).

22006534 is a wasteful number, since it uses less digits than its factorization.

22006534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 22006534 is about 4691.1122348543. The cubic root of 22006534 is about 280.2316705091.

Adding to 22006534 its reverse (43560022), we get a palindrome (65566556).

The spelling of 22006534 in words is "twenty-two million, six thousand, five hundred thirty-four".