52090222 has 16 divisors (see below), whose sum is σ = 79679952. Its totient is φ = 25534080.

The previous prime is 52090217. The next prime is 52090223. The reversal of 52090222 is 22209025.

It is a junction number, because it is equal to n+sod(n) for n = 52090193 and 52090202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52090223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31488 + ... + 33100.

It is an arithmetic number, because the mean of its divisors is an integer number (4979997).

Almost surely, 2^52090222 is an apocalyptic number.

52090222 is a deficient number, since it is larger than the sum of its proper divisors (27589730).

52090222 is a wasteful number, since it uses less digits than its factorization.

52090222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 52090222 is about 7217.3556099170. The cubic root of 52090222 is about 373.4668593025.

Adding to 52090222 its reverse (22209025), we get a palindrome (74299247).

The spelling of 52090222 in words is "fifty-two million, ninety thousand, two hundred twenty-two".