222105051 has 32 divisors (see below), whose sum is σ = 398177280. Its totient is φ = 119449728.

The previous prime is 222105047. The next prime is 222105053. The reversal of 222105051 is 150501222.

It is not a de Polignac number, because 222105051 - 2² = 222105047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222105053) 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 in 31 ways as a sum of consecutive naturals, for example, 31351 + ... + 37776.

It is an arithmetic number, because the mean of its divisors is an integer number (12443040).

Almost surely, 2^222105051 is an apocalyptic number.

222105051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

222105051 is a deficient number, since it is larger than the sum of its proper divisors (176072229).

222105051 is a wasteful number, since it uses less digits than its factorization.

222105051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69160 (or 69154 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 222105051 is about 14903.1892895447. The cubic root of 222105051 is about 605.6003884409.

Adding to 222105051 its reverse (150501222), we get a palindrome (372606273).

It can be divided in two parts, 22210 and 5051, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 222105051 in words is "two hundred twenty-two million, one hundred five thousand, fifty-one".