234478556622 has 64 divisors (see below), whose sum is σ = 530285253120. Its totient is φ = 76784097600.

The previous prime is 234478556563. The next prime is 234478556639. The reversal of 234478556622 is 226655874432.

234478556622 is a `hidden beast` number, since 2 + 3 + 4 + 4 + 7 + 8 + 5 + 5 + 6 + 622 = 666.

234478556622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 968533 + ... + 1186175.

It is an arithmetic number, because the mean of its divisors is an integer number (8285707080).

Almost surely, 2^234478556622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234478556622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265142626560).

234478556622 is an abundant number, since it is smaller than the sum of its proper divisors (295806696498).

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

234478556622 is a wasteful number, since it uses less digits than its factorization.

234478556622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218006 (or 218000 counting only the distinct ones).

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

The spelling of 234478556622 in words is "two hundred thirty-four billion, four hundred seventy-eight million, five hundred fifty-six thousand, six hundred twenty-two".