22607147 has 2 divisors, whose sum is σ = 22607148. Its totient is φ = 22607146.

The previous prime is 22607087. The next prime is 22607159. The reversal of 22607147 is 74170622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22607147 - 2⁶ = 22607083 is a prime.

It is a super-2 number, since 2×22607147² = 1022166190959218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22607747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11303573 + 11303574.

It is an arithmetic number, because the mean of its divisors is an integer number (11303574).

Almost surely, 2^22607147 is an apocalyptic number.

22607147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22607147 is an equidigital number, since it uses as much as digits as its factorization.

22607147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 22607147 is about 4754.6973615573. The cubic root of 22607147 is about 282.7582289175.

Adding to 22607147 its reverse (74170622), we get a palindrome (96777769).

The spelling of 22607147 in words is "twenty-two million, six hundred seven thousand, one hundred forty-seven".