5122278 has 40 divisors (see below), whose sum is σ = 13120272. Its totient is φ = 1463184.

The previous prime is 5122277. The next prime is 5122297. The reversal of 5122278 is 8722215.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122277) 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 19 ways as a sum of consecutive naturals, for example, 1125 + ... + 3392.

Almost surely, 2^5122278 is an apocalyptic number.

5122278 is an abundant number, since it is smaller than the sum of its proper divisors (7997994).

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

5122278 is a wasteful number, since it uses less digits than its factorization.

5122278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538 (or 4529 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 5122278 is about 2263.2450154590. The cubic root of 5122278 is about 172.3803328825.

The spelling of 5122278 in words is "five million, one hundred twenty-two thousand, two hundred seventy-eight".