422469447552 has 320 divisors, whose sum is σ = 1279322352000. Its totient is φ = 138371245056.

The previous prime is 422469447529. The next prime is 422469447601. The reversal of 422469447552 is 255744964224.

422469447552 is a `hidden beast` number, since 4 + 2 + 2 + 46 + 9 + 4 + 47 + 552 = 666.

It is a super-2 number, since 2×422469447552² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 171247023 + ... + 171249489.

It is an arithmetic number, because the mean of its divisors is an integer number (3997882350).

Almost surely, 2^422469447552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422469447552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639661176000).

422469447552 is an abundant number, since it is smaller than the sum of its proper divisors (856852904448).

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

422469447552 is a wasteful number, since it uses less digits than its factorization.

422469447552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775 (or 2754 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 54.

The spelling of 422469447552 in words is "four hundred twenty-two billion, four hundred sixty-nine million, four hundred forty-seven thousand, five hundred fifty-two".