22721536077419 has 2 divisors, whose sum is σ = 22721536077420. Its totient is φ = 22721536077418.

The previous prime is 22721536077377. The next prime is 22721536077533. The reversal of 22721536077419 is 91477063512722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22721536077419 is a prime.

It is a super-2 number, since 2×22721536077419² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22721536076419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11360768038709 + 11360768038710.

It is an arithmetic number, because the mean of its divisors is an integer number (11360768038710).

Almost surely, 2^{22721536077419} is an apocalyptic number.

22721536077419 is a deficient number, since it is larger than the sum of its proper divisors (1).

22721536077419 is an equidigital number, since it uses as much as digits as its factorization.

22721536077419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 22721536077419 in words is "twenty-two trillion, seven hundred twenty-one billion, five hundred thirty-six million, seventy-seven thousand, four hundred nineteen".