222545051 has 2 divisors, whose sum is σ = 222545052. Its totient is φ = 222545050.

The previous prime is 222545003. The next prime is 222545053. The reversal of 222545051 is 150545222.

222545051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222545051 is a prime.

Together with 222545053, 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 222545051.

It is not a weakly prime, because it can be changed into another prime (222545053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111272525 + 111272526.

It is an arithmetic number, because the mean of its divisors is an integer number (111272526).

Almost surely, 2^222545051 is an apocalyptic number.

222545051 is a deficient number, since it is larger than the sum of its proper divisors (1).

222545051 is an equidigital number, since it uses as much as digits as its factorization.

222545051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 222545051 is about 14917.9439266945. The cubic root of 222545051 is about 606.0000317689. Note that the first 4 decimals are identical.

The spelling of 222545051 in words is "two hundred twenty-two million, five hundred forty-five thousand, fifty-one".