222222003623 has 2 divisors, whose sum is σ = 222222003624. Its totient is φ = 222222003622.

The previous prime is 222222003593. The next prime is 222222003691. The reversal of 222222003623 is 326300222222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222222003623 - 2³⁴ = 205042134439 is a prime.

It is a super-2 number, since 2×222222003623² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222222003592 and 222222003601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222222003023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111001811 + 111111001812.

It is an arithmetic number, because the mean of its divisors is an integer number (111111001812).

Almost surely, 2^222222003623 is an apocalyptic number.

222222003623 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222003623 is an equidigital number, since it uses as much as digits as its factorization.

222222003623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 222222003623 its reverse (326300222222), we get a palindrome (548522225845).

The spelling of 222222003623 in words is "two hundred twenty-two billion, two hundred twenty-two million, three thousand, six hundred twenty-three".