3142223440 has 20 divisors (see below), whose sum is σ = 7305669684. Its totient is φ = 1256889344.

The previous prime is 3142223389. The next prime is 3142223501. The reversal of 3142223440 is 443222413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 807014464 + 2335208976 = 28408^2 + 48324^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19638817 + ... + 19638976.

Almost surely, 2^3142223440 is an apocalyptic number.

It is an amenable number.

3142223440 is an abundant number, since it is smaller than the sum of its proper divisors (4163446244).

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

3142223440 is a wasteful number, since it uses less digits than its factorization.

3142223440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39277806 (or 39277800 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 3142223440 is about 56055.5388877852. The cubic root of 3142223440 is about 1464.6899039645.

Adding to 3142223440 its reverse (443222413), we get a palindrome (3585445853).

The spelling of 3142223440 in words is "three billion, one hundred forty-two million, two hundred twenty-three thousand, four hundred forty".