2221140004 has 6 divisors (see below), whose sum is σ = 3886995014. Its totient is φ = 1110570000.

The previous prime is 2221139993. The next prime is 2221140029. The reversal of 2221140004 is 4000411222.

It can be written as a sum of positive squares in only one way, i.e., 1637820900 + 583319104 = 40470^2 + 24152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2221140004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277642497 + ... + 277642504.

Almost surely, 2^2221140004 is an apocalyptic number.

It is an amenable number.

2221140004 is a deficient number, since it is larger than the sum of its proper divisors (1665855010).

2221140004 is a wasteful number, since it uses less digits than its factorization.

2221140004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555285005 (or 555285003 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2221140004 is about 47128.9720235865. The cubic root of 2221140004 is about 1304.7440089373.

Adding to 2221140004 its reverse (4000411222), we get a palindrome (6221551226).

The spelling of 2221140004 in words is "two billion, two hundred twenty-one million, one hundred forty thousand, four".