22270927277 has 2 divisors, whose sum is σ = 22270927278. Its totient is φ = 22270927276.

The previous prime is 22270927243. The next prime is 22270927321. The reversal of 22270927277 is 77272907222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21994669636 + 276257641 = 148306^2 + 16621^2 .

It is a cyclic number.

It is not a de Polignac number, because 22270927277 - 2⁶ = 22270927213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22270927477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11135463638 + 11135463639.

It is an arithmetic number, because the mean of its divisors is an integer number (11135463639).

Almost surely, 2^22270927277 is an apocalyptic number.

It is an amenable number.

22270927277 is a deficient number, since it is larger than the sum of its proper divisors (1).

22270927277 is an equidigital number, since it uses as much as digits as its factorization.

22270927277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691488, while the sum is 47.

The spelling of 22270927277 in words is "twenty-two billion, two hundred seventy million, nine hundred twenty-seven thousand, two hundred seventy-seven".