52478222 has 8 divisors (see below), whose sum is σ = 78894000. Its totient is φ = 26180224.

The previous prime is 52478221. The next prime is 52478267. The reversal of 52478222 is 22287425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52478221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28322 + ... + 30117.

It is an arithmetic number, because the mean of its divisors is an integer number (9861750).

Almost surely, 2^52478222 is an apocalyptic number.

52478222 is a deficient number, since it is larger than the sum of its proper divisors (26415778).

52478222 is a wasteful number, since it uses less digits than its factorization.

52478222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58890.

The product of its digits is 17920, while the sum is 32.

The square root of 52478222 is about 7244.1853924372. The cubic root of 52478222 is about 374.3918367516.

The spelling of 52478222 in words is "fifty-two million, four hundred seventy-eight thousand, two hundred twenty-two".