22433641 has 2 divisors, whose sum is σ = 22433642. Its totient is φ = 22433640.

The previous prime is 22433639. The next prime is 22433669. The reversal of 22433641 is 14633422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 484416 = 4685^2 + 696^2 .

It is a cyclic number.

It is not a de Polignac number, because 22433641 - 2¹ = 22433639 is a prime.

Together with 22433639, it forms a pair of twin primes.

It is equal to p_1414735 and since 22433641 and 1414735 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22433041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11216820 + 11216821.

It is an arithmetic number, because the mean of its divisors is an integer number (11216821).

Almost surely, 2^22433641 is an apocalyptic number.

It is an amenable number.

22433641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22433641 is an equidigital number, since it uses as much as digits as its factorization.

22433641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 22433641 is about 4736.4164723977. The cubic root of 22433641 is about 282.0329966587.

The spelling of 22433641 in words is "twenty-two million, four hundred thirty-three thousand, six hundred forty-one".