22061744 has 10 divisors (see below), whose sum is σ = 42744660. Its totient is φ = 11030864.

The previous prime is 22061729. The next prime is 22061749. The reversal of 22061744 is 44716022.

It is not an unprimeable number, because it can be changed into a prime (22061749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689414 + ... + 689445.

It is an arithmetic number, because the mean of its divisors is an integer number (4274466).

Almost surely, 2^22061744 is an apocalyptic number.

It is an amenable number.

22061744 is a deficient number, since it is larger than the sum of its proper divisors (20682916).

22061744 is a wasteful number, since it uses less digits than its factorization.

22061744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378867 (or 1378861 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 22061744 is about 4696.9930806847. The cubic root of 22061744 is about 280.4658232408.

Adding to 22061744 its reverse (44716022), we get a palindrome (66777766).

The spelling of 22061744 in words is "twenty-two million, sixty-one thousand, seven hundred forty-four".