2291283904 has 280 divisors, whose sum is σ = 6055896448. Its totient is φ = 853493760.

The previous prime is 2291283901. The next prime is 2291283913. The reversal of 2291283904 is 4093821922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291283901) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61926574 + ... + 61926610.

Almost surely, 2^2291283904 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 2291283904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3027948224).

2291283904 is an abundant number, since it is smaller than the sum of its proper divisors (3764612544).

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

2291283904 is an equidigital number, since it uses as much as digits as its factorization.

2291283904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2291283904 is about 47867.3573952020. The cubic root of 2291283904 is about 1318.3365762488.

The spelling of 2291283904 in words is "two billion, two hundred ninety-one million, two hundred eighty-three thousand, nine hundred four".