4314015221221 has 4 divisors (see below), whose sum is σ = 4314351714444. Its totient is φ = 4313678728000.

The previous prime is 4314015221213. The next prime is 4314015221251. The reversal of 4314015221221 is 1221225104134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 287928828100 + 4026086393121 = 536590^2 + 2006511^2 .

It is a cyclic number.

It is not a de Polignac number, because 4314015221221 - 2³ = 4314015221213 is a prime.

It is a super-2 number, since 2×4314015221221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4314015221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4314015221251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168227380 + ... + 168253021.

It is an arithmetic number, because the mean of its divisors is an integer number (1078587928611).

Almost surely, 2^{4314015221221} is an apocalyptic number.

It is an amenable number.

4314015221221 is a deficient number, since it is larger than the sum of its proper divisors (336493223).

4314015221221 is a wasteful number, since it uses less digits than its factorization.

4314015221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336493222.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 4314015221221 in words is "four trillion, three hundred fourteen billion, fifteen million, two hundred twenty-one thousand, two hundred twenty-one".