22214873 has 2 divisors, whose sum is σ = 22214874. Its totient is φ = 22214872.

The previous prime is 22214839. The next prime is 22214893. The reversal of 22214873 is 37841222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17875984 + 4338889 = 4228^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 22214873 - 2⁶ = 22214809 is a prime.

It is a super-2 number, since 2×22214873² = 987001164812258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22214813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11107436 + 11107437.

It is an arithmetic number, because the mean of its divisors is an integer number (11107437).

Almost surely, 2^22214873 is an apocalyptic number.

It is an amenable number.

22214873 is a deficient number, since it is larger than the sum of its proper divisors (1).

22214873 is an equidigital number, since it uses as much as digits as its factorization.

22214873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

The square root of 22214873 is about 4713.2656407209. The cubic root of 22214873 is about 281.1132254796.

The spelling of 22214873 in words is "twenty-two million, two hundred fourteen thousand, eight hundred seventy-three".