22130031 has 16 divisors (see below), whose sum is σ = 36787968. Its totient is φ = 11496000.

The previous prime is 22130029. The next prime is 22130047. The reversal of 22130031 is 13003122.

Added to its reverse (13003122) it gives a triangular number (35133153 = T₈₃₈₂).

It is a happy number.

It is not a de Polignac number, because 22130031 - 2¹ = 22130029 is a prime.

It is a super-2 number, since 2×22130031² = 979476544121922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22129989 and 22130016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47670 + ... + 48131.

It is an arithmetic number, because the mean of its divisors is an integer number (2299248).

Almost surely, 2^22130031 is an apocalyptic number.

22130031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22130031 is a deficient number, since it is larger than the sum of its proper divisors (14657937).

22130031 is a wasteful number, since it uses less digits than its factorization.

22130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95822.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 22130031 is about 4704.2566894250. The cubic root of 22130031 is about 280.7548974442.

Adding to 22130031 its reverse (13003122), we get a palindrome (35133153).

It can be divided in two parts, 22 and 130031, that multiplied together give a palindrome (2860682).

The spelling of 22130031 in words is "twenty-two million, one hundred thirty thousand, thirty-one".