2206406460 has 24 divisors (see below), whose sum is σ = 6177938256. Its totient is φ = 588375040.

The previous prime is 2206406441. The next prime is 2206406549. The reversal of 2206406460 is 646046022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18386661 + ... + 18386780.

It is an arithmetic number, because the mean of its divisors is an integer number (257414094).

Almost surely, 2^2206406460 is an apocalyptic number.

2206406460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206406460 is an abundant number, since it is smaller than the sum of its proper divisors (3971531796).

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

2206406460 is a wasteful number, since it uses less digits than its factorization.

2206406460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36773453 (or 36773451 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2206406460 is about 46972.4010457205. The cubic root of 2206406460 is about 1301.8526759859.

The spelling of 2206406460 in words is "two billion, two hundred six million, four hundred six thousand, four hundred sixty".