52023222 has 40 divisors (see below), whose sum is σ = 118335096. Its totient is φ = 17078688.

The previous prime is 52023203. The next prime is 52023233. The reversal of 52023222 is 22232025.

It is a super-2 number, since 2×52023222² = 5412831254522568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 52023195 and 52023204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8458 + ... + 13250.

Almost surely, 2^52023222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52023222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59167548).

52023222 is an abundant number, since it is smaller than the sum of its proper divisors (66311874).

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

52023222 is a wasteful number, since it uses less digits than its factorization.

52023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874 (or 4865 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 52023222 is about 7212.7125271981. The cubic root of 52023222 is about 373.3066691912.

Adding to 52023222 its reverse (22232025), we get a palindrome (74255247).

The spelling of 52023222 in words is "fifty-two million, twenty-three thousand, two hundred twenty-two".