22219933 has 2 divisors, whose sum is σ = 22219934. Its totient is φ = 22219932.

The previous prime is 22219927. The next prime is 22219961. The reversal of 22219933 is 33991222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21930489 + 289444 = 4683^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 22219933 - 2¹⁷ = 22088861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22219895 and 22219904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22219913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11109966 + 11109967.

It is an arithmetic number, because the mean of its divisors is an integer number (11109967).

Almost surely, 2^22219933 is an apocalyptic number.

It is an amenable number.

22219933 is a deficient number, since it is larger than the sum of its proper divisors (1).

22219933 is an equidigital number, since it uses as much as digits as its factorization.

22219933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 22219933 is about 4713.8023929732. The cubic root of 22219933 is about 281.1345674117.

The spelling of 22219933 in words is "twenty-two million, two hundred nineteen thousand, nine hundred thirty-three".