222215027 has 2 divisors, whose sum is σ = 222215028. Its totient is φ = 222215026.

The previous prime is 222214999. The next prime is 222215033. The reversal of 222215027 is 720512222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222215027 - 2⁶ = 222214963 is a prime.

It is a super-2 number, since 2×222215027² = 98759036449221458, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 222214993 and 222215011.

It is not a weakly prime, because it can be changed into another prime (222215087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111107513 + 111107514.

It is an arithmetic number, because the mean of its divisors is an integer number (111107514).

Almost surely, 2^222215027 is an apocalyptic number.

222215027 is a deficient number, since it is larger than the sum of its proper divisors (1).

222215027 is an equidigital number, since it uses as much as digits as its factorization.

222215027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 222215027 is about 14906.8785129550. The cubic root of 222215027 is about 605.7003269136.

Adding to 222215027 its reverse (720512222), we get a palindrome (942727249).

The spelling of 222215027 in words is "two hundred twenty-two million, two hundred fifteen thousand, twenty-seven".