247422358512 has 400 divisors, whose sum is σ = 832577306880. Its totient is φ = 70345666944.

The previous prime is 247422358489. The next prime is 247422358517. The reversal of 247422358512 is 215853224742.

247422358512 is a `hidden beast` number, since 2 + 4 + 7 + 42 + 23 + 585 + 1 + 2 = 666.

It is a super-2 number, since 2×247422358512² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247422358517) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 272791563 + ... + 272792469.

Almost surely, 2^247422358512 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 247422358512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416288653440).

247422358512 is an abundant number, since it is smaller than the sum of its proper divisors (585154948368).

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

247422358512 is an equidigital number, since it uses as much as digits as its factorization.

247422358512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1182 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The spelling of 247422358512 in words is "two hundred forty-seven billion, four hundred twenty-two million, three hundred fifty-eight thousand, five hundred twelve".