2291002032 has 80 divisors (see below), whose sum is σ = 6737211648. Its totient is φ = 664055040.

The previous prime is 2291002013. The next prime is 2291002033. The reversal of 2291002032 is 2302001922.

It is not an unprimeable number, because it can be changed into a prime (2291002033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82183 + ... + 106470.

Almost surely, 2^2291002032 is an apocalyptic number.

2291002032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2291002032 is an abundant number, since it is smaller than the sum of its proper divisors (4446209616).

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

2291002032 is a wasteful number, since it uses less digits than its factorization.

2291002032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188698 (or 188692 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2291002032 is about 47864.4130017281. The cubic root of 2291002032 is about 1318.2825137781.

Adding to 2291002032 its reverse (2302001922), we get a palindrome (4593003954).

It can be divided in two parts, 229100 and 2032, that added together give a palindrome (231132).

The spelling of 2291002032 in words is "two billion, two hundred ninety-one million, two thousand, thirty-two".