22273612447 has 2 divisors, whose sum is σ = 22273612448. Its totient is φ = 22273612446.

The previous prime is 22273612433. The next prime is 22273612453. The reversal of 22273612447 is 74421637222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22273612447 is a prime.

It is a super-2 number, since 2×22273612447² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22273612457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11136806223 + 11136806224.

It is an arithmetic number, because the mean of its divisors is an integer number (11136806224).

Almost surely, 2^22273612447 is an apocalyptic number.

22273612447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22273612447 is an equidigital number, since it uses as much as digits as its factorization.

22273612447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 40.

The spelling of 22273612447 in words is "twenty-two billion, two hundred seventy-three million, six hundred twelve thousand, four hundred forty-seven".