2291220474 has 8 divisors (see below), whose sum is σ = 4582440960. Its totient is φ = 763740156.

The previous prime is 2291220467. The next prime is 2291220479. The reversal of 2291220474 is 4740221922.

It is a sphenic number, since it is the product of 3 distinct primes.

2291220474 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2291220479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190935034 + ... + 190935045.

It is an arithmetic number, because the mean of its divisors is an integer number (572805120).

Almost surely, 2^2291220474 is an apocalyptic number.

2291220474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2291220474 is a wasteful number, since it uses less digits than its factorization.

2291220474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381870084.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2291220474 is about 47866.6948305395. The cubic root of 2291220474 is about 1318.3244108917.

It can be divided in two parts, 229 and 1220474, that added together give a triangular number (1220703 = T₁₅₆₂).

The spelling of 2291220474 in words is "two billion, two hundred ninety-one million, two hundred twenty thousand, four hundred seventy-four".