22705738 has 24 divisors (see below), whose sum is σ = 38860416. Its totient is φ = 9867000.

The previous prime is 22705687. The next prime is 22705751. The reversal of 22705738 is 83750722.

It is a super-3 number, since 3×22705738³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10663 + ... + 12613.

It is an arithmetic number, because the mean of its divisors is an integer number (1619184).

Almost surely, 2^22705738 is an apocalyptic number.

22705738 is a deficient number, since it is larger than the sum of its proper divisors (16154678).

22705738 is a wasteful number, since it uses less digits than its factorization.

22705738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 22705738 is about 4765.0538297064. The cubic root of 22705738 is about 283.1686741846.

It can be divided in two parts, 2270 and 5738, that added together give a palindrome (8008).

The spelling of 22705738 in words is "twenty-two million, seven hundred five thousand, seven hundred thirty-eight".