22168052 has 6 divisors (see below), whose sum is σ = 38794098. Its totient is φ = 11084024.

The previous prime is 22168037. The next prime is 22168057. The reversal of 22168052 is 25086122.

It can be written as a sum of positive squares in only one way, i.e., 15335056 + 6832996 = 3916^2 + 2614^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22168057) by changing a digit.

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, 2771003 + ... + 2771010.

It is an arithmetic number, because the mean of its divisors is an integer number (6465683).

Almost surely, 2^22168052 is an apocalyptic number.

It is an amenable number.

22168052 is a deficient number, since it is larger than the sum of its proper divisors (16626046).

22168052 is a wasteful number, since it uses less digits than its factorization.

22168052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542017 (or 5542015 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 22168052 is about 4708.2960824485. The cubic root of 22168052 is about 280.9155912174.

The spelling of 22168052 in words is "twenty-two million, one hundred sixty-eight thousand, fifty-two".