22262031 has 12 divisors (see below), whose sum is σ = 35079720. Its totient is φ = 13492080.

The previous prime is 22261991. The next prime is 22262033. The reversal of 22262031 is 13026222.

It is not a de Polignac number, because 22262031 - 2⁷ = 22261903 is a prime.

It is a super-2 number, since 2×22262031² = 991196048489922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22261995 and 22262013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22262033) 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 in 11 ways as a sum of consecutive naturals, for example, 112336 + ... + 112533.

It is an arithmetic number, because the mean of its divisors is an integer number (2923310).

Almost surely, 2^22262031 is an apocalyptic number.

22262031 is a deficient number, since it is larger than the sum of its proper divisors (12817689).

22262031 is a wasteful number, since it uses less digits than its factorization.

22262031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224886 (or 224883 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22262031 is about 4718.2656771318. The cubic root of 22262031 is about 281.3120017381.

Adding to 22262031 its reverse (13026222), we get a palindrome (35288253).

The spelling of 22262031 in words is "twenty-two million, two hundred sixty-two thousand, thirty-one".