28467222 has 16 divisors (see below), whose sum is σ = 65068032. Its totient is φ = 8133480.

The previous prime is 28467221. The next prime is 28467239. The reversal of 28467222 is 22276482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28467221) 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, 338854 + ... + 338937.

It is an arithmetic number, because the mean of its divisors is an integer number (4066752).

Almost surely, 2^28467222 is an apocalyptic number.

28467222 is an abundant number, since it is smaller than the sum of its proper divisors (36600810).

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

28467222 is a wasteful number, since it uses less digits than its factorization.

28467222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677803.

The product of its digits is 21504, while the sum is 33.

The square root of 28467222 is about 5335.4683018457. The cubic root of 28467222 is about 305.3385902089.

The spelling of 28467222 in words is "twenty-eight million, four hundred sixty-seven thousand, two hundred twenty-two".