222283427 has 4 divisors (see below), whose sum is σ = 227705016. Its totient is φ = 216861840.

The previous prime is 222283409. The next prime is 222283433. The reversal of 222283427 is 724382222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724382222 = 2 ⋅362191111.

It is a cyclic number.

It is not a de Polignac number, because 222283427 - 2⁶ = 222283363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222283393 and 222283402.

It is not an unprimeable number, because it can be changed into a prime (222283447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710733 + ... + 2710814.

It is an arithmetic number, because the mean of its divisors is an integer number (56926254).

Almost surely, 2^222283427 is an apocalyptic number.

222283427 is a deficient number, since it is larger than the sum of its proper divisors (5421589).

222283427 is an equidigital number, since it uses as much as digits as its factorization.

222283427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421588.

The product of its digits is 21504, while the sum is 32.

The square root of 222283427 is about 14909.1725793218. The cubic root of 222283427 is about 605.7624674040.

The spelling of 222283427 in words is "two hundred twenty-two million, two hundred eighty-three thousand, four hundred twenty-seven".