2209497069 has 32 divisors (see below), whose sum is σ = 3363533824. Its totient is φ = 1280240640.

The previous prime is 2209497053. The next prime is 2209497127. The reversal of 2209497069 is 9607949022.

It is not a de Polignac number, because 2209497069 - 2⁴ = 2209497053 is a prime.

It is a super-2 number, since 2×2209497069² = 9763754595839181522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209497029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20037 + ... + 69429.

It is an arithmetic number, because the mean of its divisors is an integer number (105110432).

Almost surely, 2^2209497069 is an apocalyptic number.

It is an amenable number.

2209497069 is a deficient number, since it is larger than the sum of its proper divisors (1154036755).

2209497069 is a wasteful number, since it uses less digits than its factorization.

2209497069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49477.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 2209497069 is about 47005.2876706440. The cubic root of 2209497069 is about 1302.4602461824.

The spelling of 2209497069 in words is "two billion, two hundred nine million, four hundred ninety-seven thousand, sixty-nine".