22026642 has 16 divisors (see below), whose sum is σ = 48058272. Its totient is φ = 6674720.

The previous prime is 22026601. The next prime is 22026649. The reversal of 22026642 is 24662022.

It is not an unprimeable number, because it can be changed into a prime (22026649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166803 + ... + 166934.

It is an arithmetic number, because the mean of its divisors is an integer number (3003642).

Almost surely, 2^22026642 is an apocalyptic number.

22026642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22026642 is an abundant number, since it is smaller than the sum of its proper divisors (26031630).

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

22026642 is a wasteful number, since it uses less digits than its factorization.

22026642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333753.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 22026642 is about 4693.2549472621. The cubic root of 22026642 is about 280.3169964256.

Adding to 22026642 its reverse (24662022), we get a palindrome (46688664).

It can be divided in two parts, 220 and 26642, that added together give a palindrome (26862).

The spelling of 22026642 in words is "twenty-two million, twenty-six thousand, six hundred forty-two".