28829422 has 16 divisors (see below), whose sum is σ = 47091600. Its totient is φ = 13184640.

The previous prime is 28829413. The next prime is 28829429. The reversal of 28829422 is 22492882.

It is a super-2 number, since 2×28829422² = 1662271145708168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28829429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11979 + ... + 14182.

It is an arithmetic number, because the mean of its divisors is an integer number (2943225).

Almost surely, 2^28829422 is an apocalyptic number.

28829422 is a deficient number, since it is larger than the sum of its proper divisors (18262178).

28829422 is a wasteful number, since it uses less digits than its factorization.

28829422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26211.

The product of its digits is 36864, while the sum is 37.

The square root of 28829422 is about 5369.3036792493. The cubic root of 28829422 is about 306.6281187107.

The spelling of 28829422 in words is "twenty-eight million, eight hundred twenty-nine thousand, four hundred twenty-two".