22812193 has 2 divisors, whose sum is σ = 22812194. Its totient is φ = 22812192.

The previous prime is 22812151. The next prime is 22812199. The reversal of 22812193 is 39121822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20178064 + 2634129 = 4492^2 + 1623^2 .

It is a cyclic number.

It is not a de Polignac number, because 22812193 - 2⁹ = 22811681 is a prime.

It is a super-2 number, since 2×22812193² = 1040792298938498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22812199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11406096 + 11406097.

It is an arithmetic number, because the mean of its divisors is an integer number (11406097).

Almost surely, 2^22812193 is an apocalyptic number.

It is an amenable number.

22812193 is a deficient number, since it is larger than the sum of its proper divisors (1).

22812193 is an equidigital number, since it uses as much as digits as its factorization.

22812193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 22812193 is about 4776.2111552987. The cubic root of 22812193 is about 283.6105262654.

It can be divided in two parts, 22812 and 193, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22812193 in words is "twenty-two million, eight hundred twelve thousand, one hundred ninety-three".