2061222984 has 128 divisors (see below), whose sum is σ = 5931648000. Its totient is φ = 662515200.

The previous prime is 2061222983. The next prime is 2061223009. The reversal of 2061222984 is 4892221602.

2061222984 is digitally balanced in base 4, 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 (36).

It is not an unprimeable number, because it can be changed into a prime (2061222983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3622252 + ... + 3622820.

It is an arithmetic number, because the mean of its divisors is an integer number (46341000).

Almost surely, 2^2061222984 is an apocalyptic number.

2061222984 is a gapful number since it is divisible by the number (24) 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 2061222984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2965824000).

2061222984 is an abundant number, since it is smaller than the sum of its proper divisors (3870425016).

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

2061222984 is a wasteful number, since it uses less digits than its factorization.

2061222984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2061222984 is about 45400.6936510886. The cubic root of 2061222984 is about 1272.6480766590.

The spelling of 2061222984 in words is "two billion, sixty-one million, two hundred twenty-two thousand, nine hundred eighty-four".