22051048 has 8 divisors (see below), whose sum is σ = 41345730. Its totient is φ = 11025520.

The previous prime is 22051019. The next prime is 22051061. The reversal of 22051048 is 84015022.

It can be written as a sum of positive squares in only one way, i.e., 18818244 + 3232804 = 4338^2 + 1798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378183 + ... + 1378198.

Almost surely, 2^22051048 is an apocalyptic number.

It is an amenable number.

22051048 is a deficient number, since it is larger than the sum of its proper divisors (19294682).

22051048 is a wasteful number, since it uses less digits than its factorization.

22051048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756387 (or 2756383 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 22051048 is about 4695.8543418637. The cubic root of 22051048 is about 280.4204906600.

The spelling of 22051048 in words is "twenty-two million, fifty-one thousand, forty-eight".