2299991064 has 128 divisors (see below), whose sum is σ = 6974553600. Its totient is φ = 617011200.

The previous prime is 2299991051. The next prime is 2299991087. The reversal of 2299991064 is 4601999922.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 2299990998 and 2299991016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1767214 + ... + 1768514.

It is an arithmetic number, because the mean of its divisors is an integer number (54488700).

Almost surely, 2^2299991064 is an apocalyptic number.

2299991064 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 2299991064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3487276800).

2299991064 is an abundant number, since it is smaller than the sum of its proper divisors (4674562536).

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

2299991064 is a wasteful number, since it uses less digits than its factorization.

2299991064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 2299991064 is about 47958.2220687965. Note that the first 3 decimals coincide. The cubic root of 2299991064 is about 1320.0044122901.

The spelling of 2299991064 in words is "two billion, two hundred ninety-nine million, nine hundred ninety-one thousand, sixty-four".