22022506 has 8 divisors (see below), whose sum is σ = 36036864. Its totient is φ = 10010220.

The previous prime is 22022503. The next prime is 22022509. The reversal of 22022506 is 60522022.

It is an interprime number because it is at equal distance from previous prime (22022503) and next prime (22022509).

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

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 3 ways as a sum of consecutive naturals, for example, 500490 + ... + 500533.

It is an arithmetic number, because the mean of its divisors is an integer number (4504608).

Almost surely, 2^22022506 is an apocalyptic number.

22022506 is a deficient number, since it is larger than the sum of its proper divisors (14014358).

22022506 is a wasteful number, since it uses less digits than its factorization.

22022506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001036.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22022506 is about 4692.8142942162. The cubic root of 22022506 is about 280.2994500428.

Adding to 22022506 its reverse (60522022), we get a palindrome (82544528).

It can be divided in two parts, 2202250 and 6, that added together give a square (2202256 = 1484²).

The spelling of 22022506 in words is "twenty-two million, twenty-two thousand, five hundred six".