22148552 has 32 divisors (see below), whose sum is σ = 44307000. Its totient is φ = 10343424.

The previous prime is 22148549. The next prime is 22148557. The reversal of 22148552 is 25584122.

It can be written as a sum of positive squares in 4 ways, for example, as 21771556 + 376996 = 4666^2 + 614^2 .

It is not an unprimeable number, because it can be changed into a prime (22148557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19718 + ... + 20810.

Almost surely, 2^22148552 is an apocalyptic number.

It is an amenable number.

22148552 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

22148552 is a wasteful number, since it uses less digits than its factorization.

22148552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1261 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 22148552 is about 4706.2248140096. The cubic root of 22148552 is about 280.8331984569.

The spelling of 22148552 in words is "twenty-two million, one hundred forty-eight thousand, five hundred fifty-two".