2271423444 has 72 divisors (see below), whose sum is σ = 5501188224. Its totient is φ = 729417600.

The previous prime is 2271423439. The next prime is 2271423449. The reversal of 2271423444 is 4443241722.

2271423444 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2271423439) and next prime (2271423449).

It is a super-2 number, since 2×2271423444² = 10318728923905642272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271423449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4970064 + ... + 4970520.

It is an arithmetic number, because the mean of its divisors is an integer number (76405392).

Almost surely, 2^2271423444 is an apocalyptic number.

It is an amenable number.

2271423444 is an abundant number, since it is smaller than the sum of its proper divisors (3229764780).

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

2271423444 is a wasteful number, since it uses less digits than its factorization.

2271423444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 924 counting only the distinct ones).

The product of its digits is 43008, while the sum is 33.

The square root of 2271423444 is about 47659.4528294230. The cubic root of 2271423444 is about 1314.5164783451.

The spelling of 2271423444 in words is "two billion, two hundred seventy-one million, four hundred twenty-three thousand, four hundred forty-four".