422778245796 has 63 divisors (see below), whose sum is σ = 1109377578673. Its totient is φ = 140914378080.

The previous prime is 422778245783. The next prime is 422778245839. The reversal of 422778245796 is 697542877224.

It is a happy number.

The square root of 422778245796 is 650214.

It is a perfect power (a square), and thus also a powerful number.

422778245796 is a `hidden beast` number, since 4 + 2 + 27 + 78 + 2 + 457 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 268234911396 + 154543334400 = 517914^2 + 393120^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 35105536 + ... + 35117576.

Almost surely, 2^422778245796 is an apocalyptic number.

422778245796 is the 650214-th square number.

It is an amenable number.

422778245796 is an abundant number, since it is smaller than the sum of its proper divisors (686599332877).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422778245796 is an frugal number, since it uses more digits than its factorization.

422778245796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24104 (or 12046 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 422778245796 in words is "four hundred twenty-two billion, seven hundred seventy-eight million, two hundred forty-five thousand, seven hundred ninety-six".