7422533280 has 384 divisors, whose sum is σ = 26824089600. Its totient is φ = 1915978752.

The previous prime is 7422533257. The next prime is 7422533309. The reversal of 7422533280 is 823352247.

7422533280 is a `hidden beast` number, since 7 + 42 + 2 + 533 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28222429 + ... + 28222691.

It is an arithmetic number, because the mean of its divisors is an integer number (69854400).

Almost surely, 2^7422533280 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 7422533280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13412044800).

7422533280 is an abundant number, since it is smaller than the sum of its proper divisors (19401556320).

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

7422533280 is a wasteful number, since it uses less digits than its factorization.

7422533280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 7422533280 is about 86154.1251478999. The cubic root of 7422533280 is about 1950.6711062856.

The spelling of 7422533280 in words is "seven billion, four hundred twenty-two million, five hundred thirty-three thousand, two hundred eighty".