2206742431 has 8 divisors (see below), whose sum is σ = 2216612864. Its totient is φ = 2196885240.

The previous prime is 2206742423. The next prime is 2206742453. The reversal of 2206742431 is 1342476022.

It is a happy number.

2206742431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2206742431 - 2³ = 2206742423 is a prime.

It is a super-2 number, since 2×2206742431² = 9739424313551579522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2206742393 and 2206742402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206742401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480910 + ... + 485476.

It is an arithmetic number, because the mean of its divisors is an integer number (277076608).

Almost surely, 2^2206742431 is an apocalyptic number.

2206742431 is a deficient number, since it is larger than the sum of its proper divisors (9870433).

2206742431 is a wasteful number, since it uses less digits than its factorization.

2206742431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6621.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 2206742431 is about 46975.9771691872. The cubic root of 2206742431 is about 1301.9187506273.

The spelling of 2206742431 in words is "two billion, two hundred six million, seven hundred forty-two thousand, four hundred thirty-one".