5278222 has 4 divisors (see below), whose sum is σ = 7917336. Its totient is φ = 2639110.

The previous prime is 5278171. The next prime is 5278223. The reversal of 5278222 is 2228725.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 5³ + 2⁴ + 7⁴ + 8⁵ + 2⁵ + 2²⁰ + 2²² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319554 + ... + 1319557.

It is an arithmetic number, because the mean of its divisors is an integer number (1979334).

Almost surely, 2^5278222 is an apocalyptic number.

5278222 is a deficient number, since it is larger than the sum of its proper divisors (2639114).

5278222 is a wasteful number, since it uses less digits than its factorization.

5278222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639113.

The product of its digits is 4480, while the sum is 28.

The square root of 5278222 is about 2297.4381384490. The cubic root of 5278222 is about 174.1122057794.

The spelling of 5278222 in words is "five million, two hundred seventy-eight thousand, two hundred twenty-two".