5214778222 has 4 divisors (see below), whose sum is σ = 7822167336. Its totient is φ = 2607389110.

The previous prime is 5214778213. The next prime is 5214778223. The reversal of 5214778222 is 2228774125.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5214778223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303694554 + ... + 1303694557.

It is an arithmetic number, because the mean of its divisors is an integer number (1955541834).

Almost surely, 2^5214778222 is an apocalyptic number.

5214778222 is a deficient number, since it is larger than the sum of its proper divisors (2607389114).

5214778222 is a wasteful number, since it uses less digits than its factorization.

5214778222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607389113.

The product of its digits is 125440, while the sum is 40.

The square root of 5214778222 is about 72213.4213425732. The cubic root of 5214778222 is about 1734.1178729636.

The spelling of 5214778222 in words is "five billion, two hundred fourteen million, seven hundred seventy-eight thousand, two hundred twenty-two".