22003331 has 8 divisors (see below), whose sum is σ = 25175040. Its totient is φ = 18838728.

The previous prime is 22003327. The next prime is 22003343. The reversal of 22003331 is 13330022.

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

It is a cyclic number.

It is not a de Polignac number, because 22003331 - 2² = 22003327 is a prime.

It is a super-2 number, since 2×22003331² = 968293150191122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22003361) 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, 11420 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (3146880).

Almost surely, 2^22003331 is an apocalyptic number.

22003331 is a deficient number, since it is larger than the sum of its proper divisors (3171709).

22003331 is a wasteful number, since it uses less digits than its factorization.

22003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 22003331 is about 4690.7708321767. The cubic root of 22003331 is about 280.2180741595.

Adding to 22003331 its reverse (13330022), we get a palindrome (35333353).

The spelling of 22003331 in words is "twenty-two million, three thousand, three hundred thirty-one".