22322747 has 2 divisors, whose sum is σ = 22322748. Its totient is φ = 22322746.

The previous prime is 22322693. The next prime is 22322749. The reversal of 22322747 is 74722322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22322747 - 2¹⁶ = 22257211 is a prime.

It is a super-3 number, since 3×22322747³ (a number of 23 digits) contains 333 as substring.

Together with 22322749, 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 (22322749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161373 + 11161374.

It is an arithmetic number, because the mean of its divisors is an integer number (11161374).

Almost surely, 2^22322747 is an apocalyptic number.

22322747 is a deficient number, since it is larger than the sum of its proper divisors (1).

22322747 is an equidigital number, since it uses as much as digits as its factorization.

22322747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 29.

The square root of 22322747 is about 4724.6954399199. The cubic root of 22322747 is about 281.5675135440.

The spelling of 22322747 in words is "twenty-two million, three hundred twenty-two thousand, seven hundred forty-seven".