22230542 has 8 divisors (see below), whose sum is σ = 33445776. Its totient is φ = 11081952.

The previous prime is 22230529. The next prime is 22230583. The reversal of 22230542 is 24503222.

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

It is a super-2 number, since 2×22230542² = 988393995227528, which contains 22 as substring.

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, 15818 + ... + 17165.

It is an arithmetic number, because the mean of its divisors is an integer number (4180722).

Almost surely, 2^22230542 is an apocalyptic number.

22230542 is a deficient number, since it is larger than the sum of its proper divisors (11215234).

22230542 is a wasteful number, since it uses less digits than its factorization.

22230542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33322.

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

The square root of 22230542 is about 4714.9275710238. The cubic root of 22230542 is about 281.1793032513.

Adding to 22230542 its reverse (24503222), we get a palindrome (46733764).

The spelling of 22230542 in words is "twenty-two million, two hundred thirty thousand, five hundred forty-two".