2221450500404 has 6 divisors (see below), whose sum is σ = 3887538375714. Its totient is φ = 1110725250200.

The previous prime is 2221450500383. The next prime is 2221450500421. The reversal of 2221450500404 is 4040050541222.

It can be written as a sum of positive squares in only one way, i.e., 1484016112804 + 737434387600 = 1218202^2 + 858740^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277681312547 + ... + 277681312554.

It is an arithmetic number, because the mean of its divisors is an integer number (647923062619).

Almost surely, 2^{2221450500404} is an apocalyptic number.

It is an amenable number.

2221450500404 is a deficient number, since it is larger than the sum of its proper divisors (1666087875310).

2221450500404 is a wasteful number, since it uses less digits than its factorization.

2221450500404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555362625105 (or 555362625103 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 2221450500404 in words is "two trillion, two hundred twenty-one billion, four hundred fifty million, five hundred thousand, four hundred four".