28422914 has 16 divisors (see below), whose sum is σ = 46983552. Its totient is φ = 12812688.

The previous prime is 28422913. The next prime is 28422923. The reversal of 28422914 is 41922482.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28422913) 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, 11594 + ... + 13829.

It is an arithmetic number, because the mean of its divisors is an integer number (2936472).

Almost surely, 2^28422914 is an apocalyptic number.

28422914 is a deficient number, since it is larger than the sum of its proper divisors (18560638).

28422914 is a wasteful number, since it uses less digits than its factorization.

28422914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25481.

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

The square root of 28422914 is about 5331.3144720603. The cubic root of 28422914 is about 305.1800925116.

The spelling of 28422914 in words is "twenty-eight million, four hundred twenty-two thousand, nine hundred fourteen".