22231349 has 12 divisors (see below), whose sum is σ = 27223200. Its totient is φ = 18051768.

The previous prime is 22231331. The next prime is 22231351. The reversal of 22231349 is 94313222.

It is a de Polignac number, because none of the positive numbers 2^k-22231349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231369) 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 11 ways as a sum of consecutive naturals, for example, 11009 + ... + 12870.

It is an arithmetic number, because the mean of its divisors is an integer number (2268600).

Almost surely, 2^22231349 is an apocalyptic number.

It is an amenable number.

22231349 is a deficient number, since it is larger than the sum of its proper divisors (4991851).

22231349 is a wasteful number, since it uses less digits than its factorization.

22231349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23912 (or 23905 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 22231349 is about 4715.0131495045. The cubic root of 22231349 is about 281.1827056118.

The spelling of 22231349 in words is "twenty-two million, two hundred thirty-one thousand, three hundred forty-nine".