2206040406 has 16 divisors (see below), whose sum is σ = 4426002864. Its totient is φ = 733026464.

The previous prime is 2206040387. The next prime is 2206040413. The reversal of 2206040406 is 6040406022.

It is a super-2 number, since 2×2206040406² = 9733228545809289672, which contains 22 as substring.

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, 578025 + ... + 581828.

It is an arithmetic number, because the mean of its divisors is an integer number (276625179).

Almost surely, 2^2206040406 is an apocalyptic number.

2206040406 is an abundant number, since it is smaller than the sum of its proper divisors (2219962458).

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

2206040406 is a wasteful number, since it uses less digits than its factorization.

2206040406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160175.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2206040406 is about 46968.5044045475. The cubic root of 2206040406 is about 1301.7806773546.

Adding to 2206040406 its reverse (6040406022), we get a palindrome (8246446428).

The spelling of 2206040406 in words is "two billion, two hundred six million, forty thousand, four hundred six".