22744532 has 6 divisors (see below), whose sum is σ = 39802938. Its totient is φ = 11372264.

The previous prime is 22744523. The next prime is 22744541. The reversal of 22744532 is 23544722.

It is an interprime number because it is at equal distance from previous prime (22744523) and next prime (22744541).

It can be written as a sum of positive squares in only one way, i.e., 18267076 + 4477456 = 4274^2 + 2116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22744495 and 22744504.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2843063 + ... + 2843070.

It is an arithmetic number, because the mean of its divisors is an integer number (6633823).

Almost surely, 2^22744532 is an apocalyptic number.

It is an amenable number.

22744532 is a deficient number, since it is larger than the sum of its proper divisors (17058406).

22744532 is a wasteful number, since it uses less digits than its factorization.

22744532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686137 (or 5686135 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 22744532 is about 4769.1227704893. The cubic root of 22744532 is about 283.3298521679.

The spelling of 22744532 in words is "twenty-two million, seven hundred forty-four thousand, five hundred thirty-two".