22334621 has 2 divisors, whose sum is σ = 22334622. Its totient is φ = 22334620.

The previous prime is 22334603. The next prime is 22334687. The reversal of 22334621 is 12643322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17222500 + 5112121 = 4150^2 + 2261^2 .

It is a cyclic number.

It is not a de Polignac number, because 22334621 - 2¹⁴ = 22318237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22334021) 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 as a sum of consecutive naturals, namely, 11167310 + 11167311.

It is an arithmetic number, because the mean of its divisors is an integer number (11167311).

Almost surely, 2^22334621 is an apocalyptic number.

It is an amenable number.

22334621 is a deficient number, since it is larger than the sum of its proper divisors (1).

22334621 is an equidigital number, since it uses as much as digits as its factorization.

22334621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 22334621 is about 4725.9518617946. The cubic root of 22334621 is about 281.6174288469.

Adding to 22334621 its reverse (12643322), we get a palindrome (34977943).

The spelling of 22334621 in words is "twenty-two million, three hundred thirty-four thousand, six hundred twenty-one".