22346789 has 4 divisors (see below), whose sum is σ = 23661324. Its totient is φ = 21032256.

The previous prime is 22346783. The next prime is 22346813. The reversal of 22346789 is 98764322.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19070689 + 3276100 = 4367^2 + 1810^2 .

It is a cyclic number.

It is not a de Polignac number, because 22346789 - 2¹² = 22342693 is a prime.

It is a super-2 number, since 2×22346789² = 998757957221042, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22346783) 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, 657242 + ... + 657275.

It is an arithmetic number, because the mean of its divisors is an integer number (5915331).

Almost surely, 2^22346789 is an apocalyptic number.

It is an amenable number.

22346789 is a deficient number, since it is larger than the sum of its proper divisors (1314535).

22346789 is a wasteful number, since it uses less digits than its factorization.

22346789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314534.

The product of its digits is 145152, while the sum is 41.

The square root of 22346789 is about 4727.2390462087. The cubic root of 22346789 is about 281.6685617012.

The spelling of 22346789 in words is "twenty-two million, three hundred forty-six thousand, seven hundred eighty-nine".