22944151 has 2 divisors, whose sum is σ = 22944152. Its totient is φ = 22944150.

The previous prime is 22944149. The next prime is 22944157. The reversal of 22944151 is 15144922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22944151 - 2¹ = 22944149 is a prime.

It is a super-2 number, since 2×22944151² = 1052868130221602, which contains 22 as substring.

Together with 22944149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22944157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11472075 + 11472076.

It is an arithmetic number, because the mean of its divisors is an integer number (11472076).

Almost surely, 2^22944151 is an apocalyptic number.

22944151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22944151 is an equidigital number, since it uses as much as digits as its factorization.

22944151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 22944151 is about 4790.0053235879. The cubic root of 22944151 is about 284.1563271790.

The spelling of 22944151 in words is "twenty-two million, nine hundred forty-four thousand, one hundred fifty-one".