7221400440205 has 32 divisors (see below), whose sum is σ = 10043496529920. Its totient is φ = 4881891819840.

The previous prime is 7221400440197. The next prime is 7221400440211. The reversal of 7221400440205 is 5020440041227.

It is not a de Polignac number, because 7221400440205 - 2³ = 7221400440197 is a prime.

It is a congruent 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, 123542376 + ... + 123600814.

It is an arithmetic number, because the mean of its divisors is an integer number (313859266560).

Almost surely, 2^{7221400440205} is an apocalyptic number.

It is an amenable number.

7221400440205 is a deficient number, since it is larger than the sum of its proper divisors (2822096089715).

7221400440205 is a wasteful number, since it uses less digits than its factorization.

7221400440205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108249.

The product of its (nonzero) digits is 17920, while the sum is 31.

The spelling of 7221400440205 in words is "seven trillion, two hundred twenty-one billion, four hundred million, four hundred forty thousand, two hundred five".