420222147377 has 2 divisors, whose sum is σ = 420222147378. Its totient is φ = 420222147376.

The previous prime is 420222147353. The next prime is 420222147403. The reversal of 420222147377 is 773741222024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413649640336 + 6572507041 = 643156^2 + 81071^2 .

It is a cyclic number.

It is not a de Polignac number, because 420222147377 - 2⁶ = 420222147313 is a prime.

It is a super-2 number, since 2×420222147377² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (420222147307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210111073688 + 210111073689.

It is an arithmetic number, because the mean of its divisors is an integer number (210111073689).

Almost surely, 2^420222147377 is an apocalyptic number.

It is an amenable number.

420222147377 is a deficient number, since it is larger than the sum of its proper divisors (1).

420222147377 is an equidigital number, since it uses as much as digits as its factorization.

420222147377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 41.

The spelling of 420222147377 in words is "four hundred twenty billion, two hundred twenty-two million, one hundred forty-seven thousand, three hundred seventy-seven".