222454051 has 2 divisors, whose sum is σ = 222454052. Its totient is φ = 222454050.

The previous prime is 222454039. The next prime is 222454121. The reversal of 222454051 is 150454222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222454051 - 2⁵ = 222454019 is a prime.

It is not a weakly prime, because it can be changed into another prime (222454651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111227025 + 111227026.

It is an arithmetic number, because the mean of its divisors is an integer number (111227026).

Almost surely, 2^222454051 is an apocalyptic number.

222454051 is a deficient number, since it is larger than the sum of its proper divisors (1).

222454051 is an equidigital number, since it uses as much as digits as its factorization.

222454051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 222454051 is about 14914.8935966704. The cubic root of 222454051 is about 605.9174214976.

The spelling of 222454051 in words is "two hundred twenty-two million, four hundred fifty-four thousand, fifty-one".