22062506 has 4 divisors (see below), whose sum is σ = 33093762. Its totient is φ = 11031252.

The previous prime is 22062499. The next prime is 22062527. The reversal of 22062506 is 60526022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13623481 + 8439025 = 3691^2 + 2905^2 .

It is a zygodrome in base 4.

It is an unprimeable number.

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, 5515625 + ... + 5515628.

Almost surely, 2^22062506 is an apocalyptic number.

22062506 is a deficient number, since it is larger than the sum of its proper divisors (11031256).

22062506 is a wasteful number, since it uses less digits than its factorization.

22062506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031255.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22062506 is about 4697.0741957095. The cubic root of 22062506 is about 280.4690522466.

Adding to 22062506 its reverse (60526022), we get a palindrome (82588528).

It can be divided in two parts, 220 and 62506, that added together give a palindrome (62726).

The spelling of 22062506 in words is "twenty-two million, sixty-two thousand, five hundred six".