22942481 has 8 divisors (see below), whose sum is σ = 24606720. Its totient is φ = 21323952.

The previous prime is 22942459. The next prime is 22942541. The reversal of 22942481 is 18424922.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22942481 is a prime.

It is a super-2 number, since 2×22942481² = 1052714868870722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22942421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10385 + ... + 12398.

It is an arithmetic number, because the mean of its divisors is an integer number (3075840).

Almost surely, 2^22942481 is an apocalyptic number.

It is an amenable number.

22942481 is a deficient number, since it is larger than the sum of its proper divisors (1664239).

22942481 is a wasteful number, since it uses less digits than its factorization.

22942481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22855.

The product of its digits is 9216, while the sum is 32.

The square root of 22942481 is about 4789.8309991063. The cubic root of 22942481 is about 284.1494328645.

The spelling of 22942481 in words is "twenty-two million, nine hundred forty-two thousand, four hundred eighty-one".