22365401 has 2 divisors, whose sum is σ = 22365402. Its totient is φ = 22365400.

The previous prime is 22365397. The next prime is 22365403. The reversal of 22365401 is 10456322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13868176 + 8497225 = 3724^2 + 2915^2 .

It is a cyclic number.

It is not a de Polignac number, because 22365401 - 2² = 22365397 is a prime.

It is a super-2 number, since 2×22365401² = 1000422323781602, which contains 22 as substring.

Together with 22365403, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1410719 and since 22365401 and 1410719 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 (22365403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11182700 + 11182701.

It is an arithmetic number, because the mean of its divisors is an integer number (11182701).

Almost surely, 2^22365401 is an apocalyptic number.

It is an amenable number.

22365401 is a deficient number, since it is larger than the sum of its proper divisors (1).

22365401 is an equidigital number, since it uses as much as digits as its factorization.

22365401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22365401 is about 4729.2072274325. The cubic root of 22365401 is about 281.7467378920.

The spelling of 22365401 in words is "twenty-two million, three hundred sixty-five thousand, four hundred one".