52223222 has 8 divisors (see below), whose sum is σ = 78671736. Its totient is φ = 25999312.

The previous prime is 52223207. The next prime is 52223239. The reversal of 52223222 is 22232225.

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

It is a super-2 number, since 2×52223222² = 5454529832122568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52223194 and 52223203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55568 + ... + 56499.

It is an arithmetic number, because the mean of its divisors is an integer number (9833967).

Almost surely, 2^52223222 is an apocalyptic number.

52223222 is a deficient number, since it is larger than the sum of its proper divisors (26448514).

52223222 is a wasteful number, since it uses less digits than its factorization.

52223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112302.

The product of its digits is 960, while the sum is 20.

The square root of 52223222 is about 7226.5636370269. The cubic root of 52223222 is about 373.7844421155.

Adding to 52223222 its reverse (22232225), we get a palindrome (74455447).

The spelling of 52223222 in words is "fifty-two million, two hundred twenty-three thousand, two hundred twenty-two".