22213401 has 8 divisors (see below), whose sum is σ = 33849024. Its totient is φ = 12693360.

The previous prime is 22213397. The next prime is 22213403. The reversal of 22213401 is 10431222.

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

It is not a de Polignac number, because 22213401 - 2² = 22213397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22213403) 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 7 ways as a sum of consecutive naturals, for example, 528870 + ... + 528911.

It is an arithmetic number, because the mean of its divisors is an integer number (4231128).

Almost surely, 2^22213401 is an apocalyptic number.

22213401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22213401 is a deficient number, since it is larger than the sum of its proper divisors (11635623).

22213401 is a wasteful number, since it uses less digits than its factorization.

22213401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057791.

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

The square root of 22213401 is about 4713.1094831332. The cubic root of 22213401 is about 281.1070163090.

Adding to 22213401 its reverse (10431222), we get a palindrome (32644623).

The spelling of 22213401 in words is "twenty-two million, two hundred thirteen thousand, four hundred one".