1022212151 has 2 divisors, whose sum is σ = 1022212152. Its totient is φ = 1022212150.

The previous prime is 1022212127. The next prime is 1022212157. The reversal of 1022212151 is 1512122201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022212151 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022212157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511106075 + 511106076.

It is an arithmetic number, because the mean of its divisors is an integer number (511106076).

Almost surely, 2^1022212151 is an apocalyptic number.

1022212151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022212151 is an equidigital number, since it uses as much as digits as its factorization.

1022212151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1022212151 is about 31972.0526554052. The cubic root of 1022212151 is about 1007.3498969979.

Adding to 1022212151 its reverse (1512122201), we get a palindrome (2534334352).

The spelling of 1022212151 in words is "one billion, twenty-two million, two hundred twelve thousand, one hundred fifty-one".