222054149 has 2 divisors, whose sum is σ = 222054150. Its totient is φ = 222054148.

The previous prime is 222054137. The next prime is 222054169. The reversal of 222054149 is 941450222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118156900 + 103897249 = 10870^2 + 10193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222054149 is a prime.

It is a super-2 number, since 2×222054149² = 98616090176228402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222054169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111027074 + 111027075.

It is an arithmetic number, because the mean of its divisors is an integer number (111027075).

Almost surely, 2^222054149 is an apocalyptic number.

It is an amenable number.

222054149 is a deficient number, since it is larger than the sum of its proper divisors (1).

222054149 is an equidigital number, since it uses as much as digits as its factorization.

222054149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 222054149 is about 14901.4814364210. The cubic root of 222054149 is about 605.5541211062.

The spelling of 222054149 in words is "two hundred twenty-two million, fifty-four thousand, one hundred forty-nine".