2202406891 has 16 divisors (see below), whose sum is σ = 2291558688. Its totient is φ = 2115360000.

The previous prime is 2202406841. The next prime is 2202406897. The reversal of 2202406891 is 1986042022.

2202406891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2202406891 - 2¹¹ = 2202404843 is a prime.

It is a super-2 number, since 2×2202406891² = 9701192227048571762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2202406897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732391 + ... + 735391.

It is an arithmetic number, because the mean of its divisors is an integer number (143222418).

Almost surely, 2^2202406891 is an apocalyptic number.

2202406891 is a deficient number, since it is larger than the sum of its proper divisors (89151797).

2202406891 is a wasteful number, since it uses less digits than its factorization.

2202406891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2202406891 is about 46929.8081287363. The cubic root of 2202406891 is about 1301.0655742684.

The spelling of 2202406891 in words is "two billion, two hundred two million, four hundred six thousand, eight hundred ninety-one".