22270031 has 8 divisors (see below), whose sum is σ = 25512960. Its totient is φ = 19042488.

The previous prime is 22270019. The next prime is 22270097. The reversal of 22270031 is 13007222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22270031 is a prime.

It is a super-2 number, since 2×22270031² = 991908561481922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22269991 and 22270009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22270931) 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 7 ways as a sum of consecutive naturals, for example, 551 + ... + 6696.

It is an arithmetic number, because the mean of its divisors is an integer number (3189120).

Almost surely, 2^22270031 is an apocalyptic number.

22270031 is a deficient number, since it is larger than the sum of its proper divisors (3242929).

22270031 is an equidigital number, since it uses as much as digits as its factorization.

22270031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 22270031 is about 4719.1133701152. The cubic root of 22270031 is about 281.3456947779.

Adding to 22270031 its reverse (13007222), we get a palindrome (35277253).

The spelling of 22270031 in words is "twenty-two million, two hundred seventy thousand, thirty-one".