52144222 has 8 divisors (see below), whose sum is σ = 84233016. Its totient is φ = 24066552.

The previous prime is 52144217. The next prime is 52144223. The reversal of 52144222 is 22244125.

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

It is a junction number, because it is equal to n+sod(n) for n = 52144193 and 52144202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52144223) 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, 1002748 + ... + 1002799.

It is an arithmetic number, because the mean of its divisors is an integer number (10529127).

Almost surely, 2^52144222 is an apocalyptic number.

52144222 is a deficient number, since it is larger than the sum of its proper divisors (32088794).

52144222 is a wasteful number, since it uses less digits than its factorization.

52144222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005562.

The product of its digits is 1280, while the sum is 22.

The square root of 52144222 is about 7221.0956232417. The cubic root of 52144222 is about 373.5958678110.

Adding to 52144222 its reverse (22244125), we get a palindrome (74388347).

The spelling of 52144222 in words is "fifty-two million, one hundred forty-four thousand, two hundred twenty-two".