22452151 has 2 divisors, whose sum is σ = 22452152. Its totient is φ = 22452150.

The previous prime is 22452137. The next prime is 22452173. The reversal of 22452151 is 15125422.

It is an a-pointer prime, because the next prime (22452173) can be obtained adding 22452151 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22452151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22452191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226075 + 11226076.

It is an arithmetic number, because the mean of its divisors is an integer number (11226076).

Almost surely, 2^22452151 is an apocalyptic number.

22452151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22452151 is an equidigital number, since it uses as much as digits as its factorization.

22452151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 800, while the sum is 22.

The square root of 22452151 is about 4738.3700784130. The cubic root of 22452151 is about 282.1105438215.

Adding to 22452151 its reverse (15125422), we get a palindrome (37577573).

The spelling of 22452151 in words is "twenty-two million, four hundred fifty-two thousand, one hundred fifty-one".