2290231680 has 128 divisors (see below), whose sum is σ = 7963833600. Its totient is φ = 555202560.

The previous prime is 2290231667. The next prime is 2290231711. The reversal of 2290231680 is 861320922.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2290231680² = 10490322296151244800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33100 + ... + 75339.

It is an arithmetic number, because the mean of its divisors is an integer number (62217450).

Almost surely, 2^2290231680 is an apocalyptic number.

2290231680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2290231680 is an abundant number, since it is smaller than the sum of its proper divisors (5673601920).

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

2290231680 is a wasteful number, since it uses less digits than its factorization.

2290231680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108472 (or 108460 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2290231680 is about 47856.3650938932. The cubic root of 2290231680 is about 1318.1347392230.

The spelling of 2290231680 in words is "two billion, two hundred ninety million, two hundred thirty-one thousand, six hundred eighty".