4021224221204 has 6 divisors (see below), whose sum is σ = 7037142387114. Its totient is φ = 2010612110600.

The previous prime is 4021224221171. The next prime is 4021224221207.

4021224221204 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 3835126889104 + 186097332100 = 1958348^2 + 431390^2 .

It is a super-3 number, since 3×4021224221204³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021224221207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502653027647 + ... + 502653027654.

It is an arithmetic number, because the mean of its divisors is an integer number (1172857064519).

Almost surely, 2^{4021224221204} is an apocalyptic number.

It is an amenable number.

4021224221204 is a deficient number, since it is larger than the sum of its proper divisors (3015918165910).

4021224221204 is a wasteful number, since it uses less digits than its factorization.

4021224221204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005306055305 (or 1005306055303 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The spelling of 4021224221204 in words is "four trillion, twenty-one billion, two hundred twenty-four million, two hundred twenty-one thousand, two hundred four".