22225681147 has 2 divisors, whose sum is σ = 22225681148. Its totient is φ = 22225681146.

The previous prime is 22225681111. The next prime is 22225681211. The reversal of 22225681147 is 74118652222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22225681147 is a prime.

It is a super-2 number, since 2×22225681147² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22225684147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112840573 + 11112840574.

It is an arithmetic number, because the mean of its divisors is an integer number (11112840574).

Almost surely, 2^22225681147 is an apocalyptic number.

22225681147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22225681147 is an equidigital number, since it uses as much as digits as its factorization.

22225681147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 40.

The spelling of 22225681147 in words is "twenty-two billion, two hundred twenty-five million, six hundred eighty-one thousand, one hundred forty-seven".