2231890739 has 16 divisors (see below), whose sum is σ = 2457931392. Its totient is φ = 2013731328.

The previous prime is 2231890729. The next prime is 2231890741. The reversal of 2231890739 is 9370981322.

It is a happy number.

2231890739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2231890739 - 2⁴ = 2231890723 is a prime.

It is a super-3 number, since 3×2231890739³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231890739.

It is not an unprimeable number, because it can be changed into a prime (2231890729) 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, 580367 + ... + 584199.

It is an arithmetic number, because the mean of its divisors is an integer number (153620712).

Almost surely, 2^2231890739 is an apocalyptic number.

2231890739 is a deficient number, since it is larger than the sum of its proper divisors (226040653).

2231890739 is a wasteful number, since it uses less digits than its factorization.

2231890739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2231890739 is about 47242.8908831795. The cubic root of 2231890739 is about 1306.8456904583.

The spelling of 2231890739 in words is "two billion, two hundred thirty-one million, eight hundred ninety thousand, seven hundred thirty-nine".