2221254521222 has 48 divisors (see below), whose sum is σ = 3788787798432. Its totient is φ = 975282000000.

The previous prime is 2221254521219. The next prime is 2221254521249.

It is a happy number.

2221254521222 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106154 + ... + 2110397.

It is an arithmetic number, because the mean of its divisors is an integer number (78933079134).

Almost surely, 2^{2221254521222} is an apocalyptic number.

2221254521222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221254521222 is a deficient number, since it is larger than the sum of its proper divisors (1567533277210).

2221254521222 is a wasteful number, since it uses less digits than its factorization.

2221254521222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216717 (or 2216706 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The spelling of 2221254521222 in words is "two trillion, two hundred twenty-one billion, two hundred fifty-four million, five hundred twenty-one thousand, two hundred twenty-two".