22220753 has 2 divisors, whose sum is σ = 22220754. Its totient is φ = 22220752.

The previous prime is 22220741. The next prime is 22220761. The reversal of 22220753 is 35702222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12159169 + 10061584 = 3487^2 + 3172^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220753 - 2¹² = 22216657 is a prime.

It is a super-3 number, since 3×22220753³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22220713) 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, 11110376 + 11110377.

It is an arithmetic number, because the mean of its divisors is an integer number (11110377).

Almost surely, 2^22220753 is an apocalyptic number.

It is an amenable number.

22220753 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220753 is an equidigital number, since it uses as much as digits as its factorization.

22220753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22220753 is about 4713.8893707850. The cubic root of 22220753 is about 281.1380256806.

Adding to 22220753 its reverse (35702222), we get a palindrome (57922975).

The spelling of 22220753 in words is "twenty-two million, two hundred twenty thousand, seven hundred fifty-three".