22023536 has 10 divisors (see below), whose sum is σ = 42670632. Its totient is φ = 11011760.

The previous prime is 22023523. The next prime is 22023539. The reversal of 22023536 is 63532022.

It is a happy number.

It is a super-2 number, since 2×22023536² = 970072275886592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688220 + ... + 688251.

Almost surely, 2^22023536 is an apocalyptic number.

It is an amenable number.

22023536 is a deficient number, since it is larger than the sum of its proper divisors (20647096).

22023536 is a wasteful number, since it uses less digits than its factorization.

22023536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376479 (or 1376473 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 22023536 is about 4692.9240351832. The cubic root of 22023536 is about 280.3038198745.

Adding to 22023536 its reverse (63532022), we get a palindrome (85555558).

The spelling of 22023536 in words is "twenty-two million, twenty-three thousand, five hundred thirty-six".