422020277512 has 8 divisors (see below), whose sum is σ = 791288020350. Its totient is φ = 211010138752.

The previous prime is 422020277461. The next prime is 422020277521. The reversal of 422020277512 is 215772020224.

It can be written as a sum of positive squares in only one way, i.e., 265272382116 + 156747895396 = 515046^2 + 395914^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×422020277512² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26376267337 + ... + 26376267352.

Almost surely, 2^422020277512 is an apocalyptic number.

It is an amenable number.

422020277512 is a deficient number, since it is larger than the sum of its proper divisors (369267742838).

422020277512 is a wasteful number, since it uses less digits than its factorization.

422020277512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52752534695 (or 52752534691 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

Adding to 422020277512 its reverse (215772020224), we get a palindrome (637792297736).

The spelling of 422020277512 in words is "four hundred twenty-two billion, twenty million, two hundred seventy-seven thousand, five hundred twelve".