22022533 has 8 divisors (see below), whose sum is σ = 23948288. Its totient is φ = 20129904.

The previous prime is 22022509. The next prime is 22022543. The reversal of 22022533 is 33522022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22022533 - 2¹³ = 22014341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22022533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6885 + ... + 9562.

It is an arithmetic number, because the mean of its divisors is an integer number (2993536).

Almost surely, 2^22022533 is an apocalyptic number.

It is an amenable number.

22022533 is a deficient number, since it is larger than the sum of its proper divisors (1925755).

22022533 is a wasteful number, since it uses less digits than its factorization.

22022533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16563.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22022533 is about 4692.8171709539. The cubic root of 22022533 is about 280.2995645936.

Adding to 22022533 its reverse (33522022), we get a palindrome (55544555).

It can be divided in two parts, 2202253 and 3, that added together give a square (2202256 = 1484²).

The spelling of 22022533 in words is "twenty-two million, twenty-two thousand, five hundred thirty-three".