22021433047 has 2 divisors, whose sum is σ = 22021433048. Its totient is φ = 22021433046.

The previous prime is 22021432973. The next prime is 22021433117. The reversal of 22021433047 is 74033412022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021433047 is a prime.

It is a super-3 number, since 3×22021433047³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021433747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010716523 + 11010716524.

It is an arithmetic number, because the mean of its divisors is an integer number (11010716524).

Almost surely, 2^22021433047 is an apocalyptic number.

22021433047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021433047 is an equidigital number, since it uses as much as digits as its factorization.

22021433047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

Adding to 22021433047 its reverse (74033412022), we get a palindrome (96054845069).

The spelling of 22021433047 in words is "twenty-two billion, twenty-one million, four hundred thirty-three thousand, forty-seven".