3142221140 has 48 divisors (see below), whose sum is σ = 7115411520. Its totient is φ = 1161688320.

The previous prime is 3142221127. The next prime is 3142221157. The reversal of 3142221140 is 411222413.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 85262 + ... + 116421.

It is an arithmetic number, because the mean of its divisors is an integer number (148237740).

Almost surely, 2^3142221140 is an apocalyptic number.

It is an amenable number.

3142221140 is an abundant number, since it is smaller than the sum of its proper divisors (3973190380).

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

3142221140 is a wasteful number, since it uses less digits than its factorization.

3142221140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201752 (or 201750 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3142221140 is about 56055.5183724136. The cubic root of 3142221140 is about 1464.6895465968.

Adding to 3142221140 its reverse (411222413), we get a palindrome (3553443553).

The spelling of 3142221140 in words is "three billion, one hundred forty-two million, two hundred twenty-one thousand, one hundred forty".