28436622 has 16 divisors (see below), whose sum is σ = 57251712. Its totient is φ = 9415800.

The previous prime is 28436561. The next prime is 28436623. The reversal of 28436622 is 22663482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28436623) 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, 14788 + ... + 16599.

It is an arithmetic number, because the mean of its divisors is an integer number (3578232).

Almost surely, 2^28436622 is an apocalyptic number.

28436622 is an abundant number, since it is smaller than the sum of its proper divisors (28815090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28436622 is a wasteful number, since it uses less digits than its factorization.

28436622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31543.

The product of its digits is 27648, while the sum is 33.

The square root of 28436622 is about 5332.5999287402. The cubic root of 28436622 is about 305.2291460834.

The spelling of 28436622 in words is "twenty-eight million, four hundred thirty-six thousand, six hundred twenty-two".