22302151 has 2 divisors, whose sum is σ = 22302152. Its totient is φ = 22302150.

The previous prime is 22302139. The next prime is 22302167. The reversal of 22302151 is 15120322.

It is an a-pointer prime, because the next prime (22302167) can be obtained adding 22302151 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22302151 - 2¹⁵ = 22269383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22302551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151075 + 11151076.

It is an arithmetic number, because the mean of its divisors is an integer number (11151076).

Almost surely, 2^22302151 is an apocalyptic number.

22302151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22302151 is an equidigital number, since it uses as much as digits as its factorization.

22302151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 22302151 is about 4722.5153255442. The cubic root of 22302151 is about 281.4808911561.

Adding to 22302151 its reverse (15120322), we get a palindrome (37422473).

The spelling of 22302151 in words is "twenty-two million, three hundred two thousand, one hundred fifty-one".