22141397 has 2 divisors, whose sum is σ = 22141398. Its totient is φ = 22141396.

The previous prime is 22141391. The next prime is 22141451. The reversal of 22141397 is 79314122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21169201 + 972196 = 4601^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 22141397 - 2⁴ = 22141381 is a prime.

It is a super-3 number, since 3×22141397³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22141391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11070698 + 11070699.

It is an arithmetic number, because the mean of its divisors is an integer number (11070699).

Almost surely, 2^22141397 is an apocalyptic number.

It is an amenable number.

22141397 is a deficient number, since it is larger than the sum of its proper divisors (1).

22141397 is an equidigital number, since it uses as much as digits as its factorization.

22141397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 22141397 is about 4705.4645891771. The cubic root of 22141397 is about 280.8029545242.

The spelling of 22141397 in words is "twenty-two million, one hundred forty-one thousand, three hundred ninety-seven".