22469381 has 8 divisors (see below), whose sum is σ = 25802400. Its totient is φ = 19351440.

The previous prime is 22469357. The next prime is 22469399. The reversal of 22469381 is 18396422.

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-22469381 is a prime.

It is a super-2 number, since 2×22469381² = 1009746165046322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22469341) 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 7 ways as a sum of consecutive naturals, for example, 53546 + ... + 53963.

It is an arithmetic number, because the mean of its divisors is an integer number (3225300).

Almost surely, 2^22469381 is an apocalyptic number.

It is an amenable number.

22469381 is a deficient number, since it is larger than the sum of its proper divisors (3333019).

22469381 is a wasteful number, since it uses less digits than its factorization.

22469381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107539.

The product of its digits is 20736, while the sum is 35.

The square root of 22469381 is about 4740.1878654754. The cubic root of 22469381 is about 282.1826901651.

The spelling of 22469381 in words is "twenty-two million, four hundred sixty-nine thousand, three hundred eighty-one".