105222151 has 2 divisors, whose sum is σ = 105222152. Its totient is φ = 105222150.

The previous prime is 105222109. The next prime is 105222199. The reversal of 105222151 is 151222501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105222151 - 2⁷ = 105222023 is a prime.

It is a super-2 number, since 2×105222151² = 22143402122133602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105222451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52611075 + 52611076.

It is an arithmetic number, because the mean of its divisors is an integer number (52611076).

Almost surely, 2^105222151 is an apocalyptic number.

105222151 is a deficient number, since it is larger than the sum of its proper divisors (1).

105222151 is an equidigital number, since it uses as much as digits as its factorization.

105222151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 105222151 is about 10257.7848973353. The cubic root of 105222151 is about 472.1018749147.

Adding to 105222151 its reverse (151222501), we get a palindrome (256444652).

The spelling of 105222151 in words is "one hundred five million, two hundred twenty-two thousand, one hundred fifty-one".