2221254004232 has 16 divisors (see below), whose sum is σ = 4164874640640. Its totient is φ = 1110620766736.

The previous prime is 2221254004231. The next prime is 2221254004243. The reversal of 2221254004232 is 2324004521222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2221254004195 and 2221254004204.

It is not an unprimeable number, because it can be changed into a prime (2221254004231) 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, 963953 + ... + 2317695.

It is an arithmetic number, because the mean of its divisors is an integer number (260304665040).

Almost surely, 2^{2221254004232} is an apocalyptic number.

It is an amenable number.

2221254004232 is a deficient number, since it is larger than the sum of its proper divisors (1943620636408).

2221254004232 is a wasteful number, since it uses less digits than its factorization.

2221254004232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558852 (or 1558848 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 2221254004232 its reverse (2324004521222), we get a palindrome (4545258525454).

The spelling of 2221254004232 in words is "two trillion, two hundred twenty-one billion, two hundred fifty-four million, four thousand, two hundred thirty-two".