22532222 has 8 divisors (see below), whose sum is σ = 34226400. Its totient is φ = 11123424.

The previous prime is 22532207. The next prime is 22532239. The reversal of 22532222 is 22223522.

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 = 22532194 and 22532203.

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, 71147 + ... + 71462.

It is an arithmetic number, because the mean of its divisors is an integer number (4278300).

Almost surely, 2^22532222 is an apocalyptic number.

22532222 is a deficient number, since it is larger than the sum of its proper divisors (11694178).

22532222 is a wasteful number, since it uses less digits than its factorization.

22532222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142690.

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

The square root of 22532222 is about 4746.8117721266. The cubic root of 22532222 is about 282.4455091079.

Adding to 22532222 its reverse (22223522), we get a palindrome (44755744).

The spelling of 22532222 in words is "twenty-two million, five hundred thirty-two thousand, two hundred twenty-two".