22231449 has 16 divisors (see below), whose sum is σ = 33402240. Its totient is φ = 14610960.

The previous prime is 22231441. The next prime is 22231459. The reversal of 22231449 is 94413222.

It is not a de Polignac number, because 22231449 - 2³ = 22231441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22231441) 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 15 ways as a sum of consecutive naturals, for example, 3882 + ... + 7715.

It is an arithmetic number, because the mean of its divisors is an integer number (2087640).

Almost surely, 2^22231449 is an apocalyptic number.

It is an amenable number.

22231449 is a deficient number, since it is larger than the sum of its proper divisors (11170791).

22231449 is a wasteful number, since it uses less digits than its factorization.

22231449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677 (or 11671 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 22231449 is about 4715.0237539168. The cubic root of 22231449 is about 281.1831272120.

The spelling of 22231449 in words is "twenty-two million, two hundred thirty-one thousand, four hundred forty-nine".