22514021 has 2 divisors, whose sum is σ = 22514022. Its totient is φ = 22514020.

The previous prime is 22513951. The next prime is 22514057. The reversal of 22514021 is 12041522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22137025 + 376996 = 4705^2 + 614^2 .

It is a cyclic number.

It is not a de Polignac number, because 22514021 - 2¹⁴ = 22497637 is a prime.

It is a super-2 number, since 2×22514021² = 1013762283176882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22514521) 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, 11257010 + 11257011.

It is an arithmetic number, because the mean of its divisors is an integer number (11257011).

Almost surely, 2^22514021 is an apocalyptic number.

It is an amenable number.

22514021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22514021 is an equidigital number, since it uses as much as digits as its factorization.

22514021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 22514021 is about 4744.8942032463. The cubic root of 22514021 is about 282.3694376706.

Adding to 22514021 its reverse (12041522), we get a palindrome (34555543).

The spelling of 22514021 in words is "twenty-two million, five hundred fourteen thousand, twenty-one".