22364831 has 4 divisors (see below), whose sum is σ = 22381872. Its totient is φ = 22347792.

The previous prime is 22364813. The next prime is 22364851. The reversal of 22364831 is 13846322.

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

It is a cyclic number.

It is not a de Polignac number, because 22364831 - 2¹⁰ = 22363807 is a prime.

It is a super-2 number, since 2×22364831² = 1000371331317122, 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 = 22364794 and 22364803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22364851) 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 3 ways as a sum of consecutive naturals, for example, 6371 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (5595468).

Almost surely, 2^22364831 is an apocalyptic number.

22364831 is a deficient number, since it is larger than the sum of its proper divisors (17041).

22364831 is a wasteful number, since it uses less digits than its factorization.

22364831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17040.

The product of its digits is 6912, while the sum is 29.

The square root of 22364831 is about 4729.1469632482. The cubic root of 22364831 is about 281.7443443586.

The spelling of 22364831 in words is "twenty-two million, three hundred sixty-four thousand, eight hundred thirty-one".