22102151 has 2 divisors, whose sum is σ = 22102152. Its totient is φ = 22102150.

The previous prime is 22102139. The next prime is 22102169. The reversal of 22102151 is 15120122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22102151 - 2²² = 17907847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051075 + 11051076.

It is an arithmetic number, because the mean of its divisors is an integer number (11051076).

Almost surely, 2^22102151 is an apocalyptic number.

22102151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102151 is an equidigital number, since it uses as much as digits as its factorization.

22102151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 22102151 is about 4701.2924818607. The cubic root of 22102151 is about 280.6369470760.

Adding to 22102151 its reverse (15120122), we get a palindrome (37222273).

The spelling of 22102151 in words is "twenty-two million, one hundred two thousand, one hundred fifty-one".