22326961 has 2 divisors, whose sum is σ = 22326962. Its totient is φ = 22326960.

The previous prime is 22326949. The next prime is 22326971. The reversal of 22326961 is 16962322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18326961 + 4000000 = 4281^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 22326961 - 2⁵ = 22326929 is a prime.

It is a super-3 number, since 3×22326961³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22326971) 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, 11163480 + 11163481.

It is an arithmetic number, because the mean of its divisors is an integer number (11163481).

Almost surely, 2^22326961 is an apocalyptic number.

It is an amenable number.

22326961 is a deficient number, since it is larger than the sum of its proper divisors (1).

22326961 is an equidigital number, since it uses as much as digits as its factorization.

22326961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 22326961 is about 4725.1413735464. The cubic root of 22326961 is about 281.5852301635.

The spelling of 22326961 in words is "twenty-two million, three hundred twenty-six thousand, nine hundred sixty-one".