22130026 has 4 divisors (see below), whose sum is σ = 33195042. Its totient is φ = 11065012.

The previous prime is 22129999. The next prime is 22130029. The reversal of 22130026 is 62003122.

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., 22099401 + 30625 = 4701^2 + 175^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22129991 and 22130009.

It is not an unprimeable number, because it can be changed into a prime (22130029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5532505 + ... + 5532508.

Almost surely, 2^22130026 is an apocalyptic number.

22130026 is a deficient number, since it is larger than the sum of its proper divisors (11065016).

22130026 is a wasteful number, since it uses less digits than its factorization.

22130026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11065015.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 22130026 is about 4704.2561579914. The cubic root of 22130026 is about 280.7548762999.

Adding to 22130026 its reverse (62003122), we get a palindrome (84133148).

The spelling of 22130026 in words is "twenty-two million, one hundred thirty thousand, twenty-six".