2221505444010 has 64 divisors (see below), whose sum is σ = 5511759644160. Its totient is φ = 572650283520.

The previous prime is 2221505443987. The next prime is 2221505444099. The reversal of 2221505444010 is 104445051222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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, 8150802 + ... + 8418941.

It is an arithmetic number, because the mean of its divisors is an integer number (86121244440).

Almost surely, 2^{2221505444010} is an apocalyptic number.

2221505444010 is an abundant number, since it is smaller than the sum of its proper divisors (3290254200150).

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

2221505444010 is a wasteful number, since it uses less digits than its factorization.

2221505444010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16569903.

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 2221505444010 in words is "two trillion, two hundred twenty-one billion, five hundred five million, four hundred forty-four thousand, ten".