28922411 has 8 divisors (see below), whose sum is σ = 34120704. Its totient is φ = 23990760.

The previous prime is 28922407. The next prime is 28922441. The reversal of 28922411 is 11422982.

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 28922411 - 2² = 28922407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28922441) 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, 66425 + ... + 66858.

It is an arithmetic number, because the mean of its divisors is an integer number (4265088).

Almost surely, 2^28922411 is an apocalyptic number.

28922411 is a deficient number, since it is larger than the sum of its proper divisors (5198293).

28922411 is a wasteful number, since it uses less digits than its factorization.

28922411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133321.

The product of its digits is 2304, while the sum is 29.

The square root of 28922411 is about 5377.9560243646. The cubic root of 28922411 is about 306.9574401562.

The spelling of 28922411 in words is "twenty-eight million, nine hundred twenty-two thousand, four hundred eleven".