22135031 has 6 divisors (see below), whose sum is σ = 22456296. Its totient is φ = 21818300.

The previous prime is 22134989. The next prime is 22135051. The reversal of 22135031 is 13053122.

It is not a de Polignac number, because 22135031 - 2¹⁴ = 22118647 is a prime.

It is a super-2 number, since 2×22135031² = 979919194741922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135051) 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 5 ways as a sum of consecutive naturals, for example, 2846 + ... + 7236.

It is an arithmetic number, because the mean of its divisors is an integer number (3742716).

Almost surely, 2^22135031 is an apocalyptic number.

22135031 is a deficient number, since it is larger than the sum of its proper divisors (321265).

22135031 is an frugal number, since it uses more digits than its factorization.

22135031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533 (or 4462 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 22135031 is about 4704.7880929963. The cubic root of 22135031 is about 280.7760401888.

Adding to 22135031 its reverse (13053122), we get a palindrome (35188153).

The spelling of 22135031 in words is "twenty-two million, one hundred thirty-five thousand, thirty-one".