2206403542072 has 16 divisors (see below), whose sum is σ = 4137210169560. Its totient is φ = 1103147496864.

The previous prime is 2206403542061. The next prime is 2206403542073. The reversal of 2206403542072 is 2702453046022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206403542073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6611238 + ... + 6936949.

Almost surely, 2^{2206403542072} is an apocalyptic number.

It is an amenable number.

2206403542072 is a deficient number, since it is larger than the sum of its proper divisors (1930806627488).

2206403542072 is a wasteful number, since it uses less digits than its factorization.

2206403542072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13568550 (or 13568546 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 37.

Adding to 2206403542072 its reverse (2702453046022), we get a palindrome (4908856588094).

The spelling of 2206403542072 in words is "two trillion, two hundred six billion, four hundred three million, five hundred forty-two thousand, seventy-two".