22149885 has 8 divisors (see below), whose sum is σ = 35439840. Its totient is φ = 11813264.

The previous prime is 22149871. The next prime is 22149887. The reversal of 22149885 is 58894122.

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

It is a cyclic number.

It is not a de Polignac number, because 22149885 - 2¹⁸ = 21887741 is a prime.

It is a super-3 number, since 3×22149885³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22149887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738315 + ... + 738344.

It is an arithmetic number, because the mean of its divisors is an integer number (4429980).

Almost surely, 2^22149885 is an apocalyptic number.

It is an amenable number.

22149885 is a deficient number, since it is larger than the sum of its proper divisors (13289955).

22149885 is a wasteful number, since it uses less digits than its factorization.

22149885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476667.

The product of its digits is 46080, while the sum is 39.

The square root of 22149885 is about 4706.3664328227. The cubic root of 22149885 is about 280.8388322811.

The spelling of 22149885 in words is "twenty-two million, one hundred forty-nine thousand, eight hundred eighty-five".