2206209972 has 24 divisors (see below), whose sum is σ = 5148686592. Its totient is φ = 735280000.

The previous prime is 2206209949. The next prime is 2206209977. The reversal of 2206209972 is 2799026022.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2206209972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206209977) 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, 85597 + ... + 108347.

It is an arithmetic number, because the mean of its divisors is an integer number (214528608).

Almost surely, 2^2206209972 is an apocalyptic number.

It is an amenable number.

2206209972 is an abundant number, since it is smaller than the sum of its proper divisors (2942476620).

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

2206209972 is a wasteful number, since it uses less digits than its factorization.

2206209972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30839 (or 30837 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 2206209972 is about 46970.3094731129. The cubic root of 2206209972 is about 1301.8140300357.

The spelling of 2206209972 in words is "two billion, two hundred six million, two hundred nine thousand, nine hundred seventy-two".