422677061 has 2 divisors, whose sum is σ = 422677062. Its totient is φ = 422677060.

The previous prime is 422677043. The next prime is 422677139. The reversal of 422677061 is 160776224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406022500 + 16654561 = 20150^2 + 4081^2 .

It is a cyclic number.

It is not a de Polignac number, because 422677061 - 2¹⁸ = 422414917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422677561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211338530 + 211338531.

It is an arithmetic number, because the mean of its divisors is an integer number (211338531).

Almost surely, 2^422677061 is an apocalyptic number.

It is an amenable number.

422677061 is a deficient number, since it is larger than the sum of its proper divisors (1).

422677061 is an equidigital number, since it uses as much as digits as its factorization.

422677061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 422677061 is about 20559.1113864389. Note that the first 3 decimals coincide. The cubic root of 422677061 is about 750.4749945175.

The spelling of 422677061 in words is "four hundred twenty-two million, six hundred seventy-seven thousand, sixty-one".