22227773 has 2 divisors, whose sum is σ = 22227774. Its totient is φ = 22227772.

The previous prime is 22227767. The next prime is 22227797. The reversal of 22227773 is 37772222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19123129 + 3104644 = 4373^2 + 1762^2 .

It is a cyclic number.

It is not a de Polignac number, because 22227773 - 2¹⁴ = 22211389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22226773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11113886 + 11113887.

It is an arithmetic number, because the mean of its divisors is an integer number (11113887).

Almost surely, 2^22227773 is an apocalyptic number.

It is an amenable number.

22227773 is a deficient number, since it is larger than the sum of its proper divisors (1).

22227773 is an equidigital number, since it uses as much as digits as its factorization.

22227773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16464, while the sum is 32.

The square root of 22227773 is about 4714.6339200409. The cubic root of 22227773 is about 281.1676283550.

Adding to 22227773 its reverse (37772222), we get a palindrome (59999995).

The spelling of 22227773 in words is "twenty-two million, two hundred twenty-seven thousand, seven hundred seventy-three".