2202221001000 has 64 divisors (see below), whose sum is σ = 6870929532480. Its totient is φ = 587258932800.

The previous prime is 2202221000977. The next prime is 2202221001011. The reversal of 2202221001000 is 1001222022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367033834 + ... + 367039833.

It is an arithmetic number, because the mean of its divisors is an integer number (107358273945).

Almost surely, 2^{2202221001000} is an apocalyptic number.

2202221001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202221001000 is an abundant number, since it is smaller than the sum of its proper divisors (4668708531480).

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

2202221001000 is a wasteful number, since it uses less digits than its factorization.

2202221001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734073691 (or 734073677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2202221001000 its reverse (1001222022), we get a palindrome (2203222223022).

The spelling of 2202221001000 in words is "two trillion, two hundred two billion, two hundred twenty-one million, one thousand".