22321401 has 4 divisors (see below), whose sum is σ = 29761872. Its totient is φ = 14880932.

The previous prime is 22321399. The next prime is 22321421. The reversal of 22321401 is 10412322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22321401 - 2¹ = 22321399 is a prime.

It is a super-3 number, since 3×22321401³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22321421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3720231 + ... + 3720236.

It is an arithmetic number, because the mean of its divisors is an integer number (7440468).

Almost surely, 2^22321401 is an apocalyptic number.

It is an amenable number.

22321401 is a deficient number, since it is larger than the sum of its proper divisors (7440471).

22321401 is an equidigital number, since it uses as much as digits as its factorization.

22321401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440470.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22321401 is about 4724.5529947287. The cubic root of 22321401 is about 281.5618541824.

Adding to 22321401 its reverse (10412322), we get a palindrome (32733723).

It can be divided in two parts, 22321 and 401, that added together give a palindrome (22722).

The spelling of 22321401 in words is "twenty-two million, three hundred twenty-one thousand, four hundred one".