2212005601640 has 32 divisors (see below), whose sum is σ = 4977728215560. Its totient is φ = 884675020800.

The previous prime is 2212005601633. The next prime is 2212005601667. The reversal of 2212005601640 is 461065002122.

It can be written as a sum of positive squares in 4 ways, for example, as 1705850190724 + 506155410916 = 1306082^2 + 711446^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3693701 + ... + 4250580.

Almost surely, 2^{2212005601640} is an apocalyptic number.

2212005601640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212005601640 is an abundant number, since it is smaller than the sum of its proper divisors (2765722613920).

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

2212005601640 is a wasteful number, since it uses less digits than its factorization.

2212005601640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7951253 (or 7951249 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 2212005601640 in words is "two trillion, two hundred twelve billion, five million, six hundred one thousand, six hundred forty".