422912652081 has 32 divisors (see below), whose sum is σ = 571321662336. Its totient is φ = 278242560000.

The previous prime is 422912652079. The next prime is 422912652091. The reversal of 422912652081 is 180256219224.

It is not a de Polignac number, because 422912652081 - 2¹ = 422912652079 is a prime.

It is a super-2 number, since 2×422912652081² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422912652091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159167905 + ... + 159170561.

It is an arithmetic number, because the mean of its divisors is an integer number (17853801948).

Almost surely, 2^422912652081 is an apocalyptic number.

It is an amenable number.

422912652081 is a deficient number, since it is larger than the sum of its proper divisors (148409010255).

422912652081 is a wasteful number, since it uses less digits than its factorization.

422912652081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 422912652081 in words is "four hundred twenty-two billion, nine hundred twelve million, six hundred fifty-two thousand, eighty-one".