422404151252 has 12 divisors (see below), whose sum is σ = 764697170580. Its totient is φ = 203919245376.

The previous prime is 422404151233. The next prime is 422404151261. The reversal of 422404151252 is 252151404224.

It can be written as a sum of positive squares in 2 ways, for example, as 307729810756 + 114674340496 = 554734^2 + 338636^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820707433 + ... + 1820707664.

It is an arithmetic number, because the mean of its divisors is an integer number (63724764215).

Almost surely, 2^422404151252 is an apocalyptic number.

It is an amenable number.

422404151252 is a deficient number, since it is larger than the sum of its proper divisors (342293019328).

422404151252 is a wasteful number, since it uses less digits than its factorization.

422404151252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641415130 (or 3641415128 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 422404151252 its reverse (252151404224), we get a palindrome (674555555476).

The spelling of 422404151252 in words is "four hundred twenty-two billion, four hundred four million, one hundred fifty-one thousand, two hundred fifty-two".