2422181928 has 64 divisors (see below), whose sum is σ = 6216840000. Its totient is φ = 785963520.

The previous prime is 2422181849. The next prime is 2422181933. The reversal of 2422181928 is 8291812242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488550 + ... + 493482.

It is an arithmetic number, because the mean of its divisors is an integer number (97138125).

Almost surely, 2^2422181928 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 2422181928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3108420000).

2422181928 is an abundant number, since it is smaller than the sum of its proper divisors (3794658072).

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

2422181928 is a wasteful number, since it uses less digits than its factorization.

2422181928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482 (or 5478 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 2422181928 is about 49215.6675053788. The cubic root of 2422181928 is about 1342.9780665125.

The spelling of 2422181928 in words is "two billion, four hundred twenty-two million, one hundred eighty-one thousand, nine hundred twenty-eight".