2422857780 has 288 divisors, whose sum is σ = 8839434240. Its totient is φ = 525450240.

The previous prime is 2422857763. The next prime is 2422857803. The reversal of 2422857780 is 877582242.

2422857780 is a `hidden beast` number, since 2 + 422 + 85 + 77 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2228397 + ... + 2229483.

It is an arithmetic number, because the mean of its divisors is an integer number (30692480).

Almost surely, 2^2422857780 is an apocalyptic number.

2422857780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2422857780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4419717120).

2422857780 is an abundant number, since it is smaller than the sum of its proper divisors (6416576460).

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

2422857780 is a wasteful number, since it uses less digits than its factorization.

2422857780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1194 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 2422857780 is about 49222.5332545979. The cubic root of 2422857780 is about 1343.1029635451.

The spelling of 2422857780 in words is "two billion, four hundred twenty-two million, eight hundred fifty-seven thousand, seven hundred eighty".