2221225445404 has 24 divisors (see below), whose sum is σ = 4595638854240. Its totient is φ = 919127770176.

The previous prime is 2221225445381. The next prime is 2221225445419. The reversal of 2221225445404 is 4045445221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367748847 + ... + 1367750470.

It is an arithmetic number, because the mean of its divisors is an integer number (191484952260).

Almost surely, 2^{2221225445404} is an apocalyptic number.

It is an amenable number.

2221225445404 is an abundant number, since it is smaller than the sum of its proper divisors (2374413408836).

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

2221225445404 is a wasteful number, since it uses less digits than its factorization.

2221225445404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735499357 (or 2735499355 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 37.

The spelling of 2221225445404 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-five million, four hundred forty-five thousand, four hundred four".