22361329 has 2 divisors, whose sum is σ = 22361330. Its totient is φ = 22361328.

The previous prime is 22361321. The next prime is 22361363. The reversal of 22361329 is 92316322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20684304 + 1677025 = 4548^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 22361329 - 2³ = 22361321 is a prime.

It is a pancake number, because a pancake can be divided into 22361329 parts by 6687 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 22361297 and 22361306.

It is not a weakly prime, because it can be changed into another prime (22361321) 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, 11180664 + 11180665.

It is an arithmetic number, because the mean of its divisors is an integer number (11180665).

Almost surely, 2^22361329 is an apocalyptic number.

It is an amenable number.

22361329 is a deficient number, since it is larger than the sum of its proper divisors (1).

22361329 is an equidigital number, since it uses as much as digits as its factorization.

22361329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 22361329 is about 4728.7766917037. The cubic root of 22361329 is about 281.7296379326.

The spelling of 22361329 in words is "twenty-two million, three hundred sixty-one thousand, three hundred twenty-nine".