222380251 has 2 divisors, whose sum is σ = 222380252. Its totient is φ = 222380250.

The previous prime is 222380243. The next prime is 222380273. The reversal of 222380251 is 152083222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222380251 - 2³ = 222380243 is a prime.

It is not a weakly prime, because it can be changed into another prime (222380201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111190125 + 111190126.

It is an arithmetic number, because the mean of its divisors is an integer number (111190126).

Almost surely, 2^222380251 is an apocalyptic number.

222380251 is a deficient number, since it is larger than the sum of its proper divisors (1).

222380251 is an equidigital number, since it uses as much as digits as its factorization.

222380251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 222380251 is about 14912.4193543503. The cubic root of 222380251 is about 605.8504089297.

The spelling of 222380251 in words is "two hundred twenty-two million, three hundred eighty thousand, two hundred fifty-one".