2291064 has 16 divisors (see below), whose sum is σ = 5727720. Its totient is φ = 763680.

The previous prime is 2291063. The next prime is 2291119. The reversal of 2291064 is 4601922.

2291064 is digitally balanced in base 5, 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 (24), and also a Moran number because the ratio is a prime number: 95461 = 2291064 / (2 + 2 + 9 + 1 + 0 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47707 + ... + 47754.

2^2291064 is an apocalyptic number.

2291064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2291064 is an abundant number, since it is smaller than the sum of its proper divisors (3436656).

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

2291064 is a wasteful number, since it uses less digits than its factorization.

2291064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95470 (or 95466 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2291064 is about 1513.6261097114. The cubic root of 2291064 is about 131.8294399493.

Adding to 2291064 its reverse (4601922), we get a palindrome (6892986).

The spelling of 2291064 in words is "two million, two hundred ninety-one thousand, sixty-four".