22420033 has 2 divisors, whose sum is σ = 22420034. Its totient is φ = 22420032.

The previous prime is 22420003. The next prime is 22420063. The reversal of 22420033 is 33002422.

It is a balanced prime because it is at equal distance from previous prime (22420003) and next prime (22420063).

It can be written as a sum of positive squares in only one way, i.e., 22353984 + 66049 = 4728^2 + 257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22420033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22419989 and 22420016.

It is not a weakly prime, because it can be changed into another prime (22420003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210016 + 11210017.

It is an arithmetic number, because the mean of its divisors is an integer number (11210017).

Almost surely, 2^22420033 is an apocalyptic number.

It is an amenable number.

22420033 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420033 is an equidigital number, since it uses as much as digits as its factorization.

22420033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22420033 is about 4734.9797254054. The cubic root of 22420033 is about 281.9759590860.

Adding to 22420033 its reverse (33002422), we get a palindrome (55422455).

The spelling of 22420033 in words is "twenty-two million, four hundred twenty thousand, thirty-three".