22346621 has 8 divisors (see below), whose sum is σ = 24420000. Its totient is φ = 20280240.

The previous prime is 22346587. The next prime is 22346647. The reversal of 22346621 is 12664322.

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 22346621 - 2¹⁰ = 22345597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22346521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6755 + ... + 9503.

It is an arithmetic number, because the mean of its divisors is an integer number (3052500).

Almost surely, 2^22346621 is an apocalyptic number.

It is an amenable number.

22346621 is a deficient number, since it is larger than the sum of its proper divisors (2073379).

22346621 is a wasteful number, since it uses less digits than its factorization.

22346621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499.

The product of its digits is 3456, while the sum is 26.

The square root of 22346621 is about 4727.2212768179. The cubic root of 22346621 is about 281.6678558513.

It can be divided in two parts, 22 and 346621, that added together give a palindrome (346643).

The spelling of 22346621 in words is "twenty-two million, three hundred forty-six thousand, six hundred twenty-one".