2221170212604 has 96 divisors (see below), whose sum is σ = 6061880885760. Its totient is φ = 619889916672.

The previous prime is 2221170212561. The next prime is 2221170212623. The reversal of 2221170212604 is 4062120711222.

2221170212604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2221170212604² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649227 + ... + 2205410.

It is an arithmetic number, because the mean of its divisors is an integer number (63144592560).

Almost surely, 2^{2221170212604} is an apocalyptic number.

It is an amenable number.

2221170212604 is an abundant number, since it is smaller than the sum of its proper divisors (3840710673156).

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

2221170212604 is a wasteful number, since it uses less digits than its factorization.

2221170212604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854867 (or 2854865 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

Adding to 2221170212604 its reverse (4062120711222), we get a palindrome (6283290923826).

The spelling of 2221170212604 in words is "two trillion, two hundred twenty-one billion, one hundred seventy million, two hundred twelve thousand, six hundred four".