222100247 has 2 divisors, whose sum is σ = 222100248. Its totient is φ = 222100246.

The previous prime is 222100231. The next prime is 222100261. The reversal of 222100247 is 742001222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222100247 - 2⁴ = 222100231 is a prime.

It is a super-2 number, since 2×222100247² = 98657039434922018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222100847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050123 + 111050124.

It is an arithmetic number, because the mean of its divisors is an integer number (111050124).

Almost surely, 2^222100247 is an apocalyptic number.

222100247 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100247 is an equidigital number, since it uses as much as digits as its factorization.

222100247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 222100247 is about 14903.0281151181. The cubic root of 222100247 is about 605.5960221509.

Adding to 222100247 its reverse (742001222), we get a palindrome (964101469).

The spelling of 222100247 in words is "two hundred twenty-two million, one hundred thousand, two hundred forty-seven".