2231920464 has 40 divisors (see below), whose sum is σ = 5835272352. Its totient is φ = 735008640.

The previous prime is 2231920451. The next prime is 2231920477. The reversal of 2231920464 is 4640291322.

It is an interprime number because it is at equal distance from previous prime (2231920451) and next prime (2231920477).

It is a super-3 number, since 3×2231920464³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276127 + ... + 284094.

Almost surely, 2^2231920464 is an apocalyptic number.

2231920464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2231920464 is an abundant number, since it is smaller than the sum of its proper divisors (3603351888).

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

2231920464 is a wasteful number, since it uses less digits than its factorization.

2231920464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560315 (or 560309 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2231920464 is about 47243.2054797301. The cubic root of 2231920464 is about 1306.8514920887.

The spelling of 2231920464 in words is "two billion, two hundred thirty-one million, nine hundred twenty thousand, four hundred sixty-four".