2291865030 has 640 divisors, whose sum is σ = 8430428160. Its totient is φ = 432967680.

The previous prime is 2291865007. The next prime is 2291865053. The reversal of 2291865030 is 305681922.

It is an interprime number because it is at equal distance from previous prime (2291865007) and next prime (2291865053).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 38845141 + ... + 38845199.

It is an arithmetic number, because the mean of its divisors is an integer number (13172544).

Almost surely, 2^2291865030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2291865030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4215214080).

2291865030 is an abundant number, since it is smaller than the sum of its proper divisors (6138563130).

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

2291865030 is a wasteful number, since it uses less digits than its factorization.

2291865030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2291865030 is about 47873.4271804307. The cubic root of 2291865030 is about 1318.4480210302.

The spelling of 2291865030 in words is "two billion, two hundred ninety-one million, eight hundred sixty-five thousand, thirty".