22026131 has 4 divisors (see below), whose sum is σ = 22158192. Its totient is φ = 21894072.

The previous prime is 22026113. The next prime is 22026133. The reversal of 22026131 is 13162022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22026131 is a prime.

It is a super-2 number, since 2×22026131² = 970300893658322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22026133) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 65780 + ... + 66113.

It is an arithmetic number, because the mean of its divisors is an integer number (5539548).

Almost surely, 2^22026131 is an apocalyptic number.

22026131 is a deficient number, since it is larger than the sum of its proper divisors (132061).

22026131 is a wasteful number, since it uses less digits than its factorization.

22026131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132060.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 22026131 is about 4693.2005071167. The cubic root of 22026131 is about 280.3148287008.

Adding to 22026131 its reverse (13162022), we get a palindrome (35188153).

The spelling of 22026131 in words is "twenty-two million, twenty-six thousand, one hundred thirty-one".