22263652 has 6 divisors (see below), whose sum is σ = 38961398. Its totient is φ = 11131824.

The previous prime is 22263643. The next prime is 22263679. The reversal of 22263652 is 25636222.

It can be written as a sum of positive squares in only one way, i.e., 14333796 + 7929856 = 3786^2 + 2816^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22263652.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782953 + ... + 2782960.

Almost surely, 2^22263652 is an apocalyptic number.

It is an amenable number.

22263652 is a deficient number, since it is larger than the sum of its proper divisors (16697746).

22263652 is a wasteful number, since it uses less digits than its factorization.

22263652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565917 (or 5565915 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 22263652 is about 4718.4374532254. The cubic root of 22263652 is about 281.3188294423.

Adding to 22263652 its reverse (25636222), we get a palindrome (47899874).

The spelling of 22263652 in words is "twenty-two million, two hundred sixty-three thousand, six hundred fifty-two".