2402220214021 has 16 divisors (see below), whose sum is σ = 2558410694064. Its totient is φ = 2247685300224.

The previous prime is 2402220214019. The next prime is 2402220214027. The reversal of 2402220214021 is 1204120222042.

It can be written as a sum of positive squares in 8 ways, for example, as 868055573025 + 1534164640996 = 931695^2 + 1238614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402220214021 - 2¹ = 2402220214019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2402220213983 and 2402220214001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402220214027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72617341 + ... + 72650413.

It is an arithmetic number, because the mean of its divisors is an integer number (159900668379).

Almost surely, 2^{2402220214021} is an apocalyptic number.

It is an amenable number.

2402220214021 is a deficient number, since it is larger than the sum of its proper divisors (156190480043).

2402220214021 is a wasteful number, since it uses less digits than its factorization.

2402220214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57960.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 2402220214021 its reverse (1204120222042), we get a palindrome (3606340436063).

The spelling of 2402220214021 in words is "two trillion, four hundred two billion, two hundred twenty million, two hundred fourteen thousand, twenty-one".