222142099 has 2 divisors, whose sum is σ = 222142100. Its totient is φ = 222142098.

The previous prime is 222142097. The next prime is 222142121. The reversal of 222142099 is 990241222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222142099 - 2¹ = 222142097 is a prime.

It is a super-2 number, since 2×222142099² = 98694224296251602, which contains 22 as substring.

Together with 222142097, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222142099.

It is not a weakly prime, because it can be changed into another prime (222142097) 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 as a sum of consecutive naturals, namely, 111071049 + 111071050.

It is an arithmetic number, because the mean of its divisors is an integer number (111071050).

Almost surely, 2^222142099 is an apocalyptic number.

222142099 is a deficient number, since it is larger than the sum of its proper divisors (1).

222142099 is an equidigital number, since it uses as much as digits as its factorization.

222142099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 222142099 is about 14904.4321931431. The cubic root of 222142099 is about 605.6340587480.

The spelling of 222142099 in words is "two hundred twenty-two million, one hundred forty-two thousand, ninety-nine".