22550147 has 2 divisors, whose sum is σ = 22550148. Its totient is φ = 22550146.

The previous prime is 22550119. The next prime is 22550149. The reversal of 22550147 is 74105522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22550147 - 2¹⁶ = 22484611 is a prime.

Together with 22550149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22550149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11275073 + 11275074.

It is an arithmetic number, because the mean of its divisors is an integer number (11275074).

Almost surely, 2^22550147 is an apocalyptic number.

22550147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22550147 is an equidigital number, since it uses as much as digits as its factorization.

22550147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 22550147 is about 4748.6995061806. The cubic root of 22550147 is about 282.5203869695.

Adding to 22550147 its reverse (74105522), we get a palindrome (96655669).

The spelling of 22550147 in words is "twenty-two million, five hundred fifty thousand, one hundred forty-seven".