22343481 has 12 divisors (see below), whose sum is σ = 32588608. Its totient is φ = 14750424.

The previous prime is 22343479. The next prime is 22343509. The reversal of 22343481 is 18434322.

22343481 is a `hidden beast` number, since 223 + 434 + 8 + 1 = 666.

It is not a de Polignac number, because 22343481 - 2¹ = 22343479 is a prime.

It is a super-2 number, since 2×22343481² = 998462286394722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22343081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11125 + ... + 12978.

Almost surely, 2^22343481 is an apocalyptic number.

It is an amenable number.

22343481 is a deficient number, since it is larger than the sum of its proper divisors (10245127).

22343481 is a wasteful number, since it uses less digits than its factorization.

22343481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24212 (or 24209 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 22343481 is about 4726.8891461510. The cubic root of 22343481 is about 281.6546625293.

The spelling of 22343481 in words is "twenty-two million, three hundred forty-three thousand, four hundred eighty-one".