22554293 has 2 divisors, whose sum is σ = 22554294. Its totient is φ = 22554292.

The previous prime is 22554281. The next prime is 22554307. The reversal of 22554293 is 39245522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22344529 + 209764 = 4727^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 22554293 - 2¹⁰ = 22553269 is a prime.

It is a super-2 number, since 2×22554293² = 1017392265459698, which contains 22 as substring.

It is a Chen prime.

It is equal to p_1421879 and since 22554293 and 1421879 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22554253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277146 + 11277147.

It is an arithmetic number, because the mean of its divisors is an integer number (11277147).

Almost surely, 2^22554293 is an apocalyptic number.

It is an amenable number.

22554293 is a deficient number, since it is larger than the sum of its proper divisors (1).

22554293 is an equidigital number, since it uses as much as digits as its factorization.

22554293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 22554293 is about 4749.1360266895. The cubic root of 22554293 is about 282.5377003488.

The spelling of 22554293 in words is "twenty-two million, five hundred fifty-four thousand, two hundred ninety-three".