22026356 has 36 divisors (see below), whose sum is σ = 44877924. Its totient is φ = 9419520.

The previous prime is 22026331. The next prime is 22026371. The reversal of 22026356 is 65362022.

It can be written as a sum of positive squares in 2 ways, for example, as 7203856 + 14822500 = 2684^2 + 3850^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6890 + ... + 9566.

It is an arithmetic number, because the mean of its divisors is an integer number (1246609).

Almost surely, 2^22026356 is an apocalyptic number.

It is an amenable number.

22026356 is an abundant number, since it is smaller than the sum of its proper divisors (22851568).

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

22026356 is a wasteful number, since it uses less digits than its factorization.

22026356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 22026356 is about 4693.2244779043. The cubic root of 22026356 is about 280.3157831825.

Adding to 22026356 its reverse (65362022), we get a palindrome (87388378).

It can be divided in two parts, 2202 and 6356, that added together give a palindrome (8558).

The spelling of 22026356 in words is "twenty-two million, twenty-six thousand, three hundred fifty-six".