2209016878870 has 16 divisors (see below), whose sum is σ = 4030699292640. Its totient is φ = 871502549184.

The previous prime is 2209016878847. The next prime is 2209016878879. The reversal of 2209016878870 is 788786109022.

It is a super-2 number, since 2×2209016878870² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2209016878879) 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, 1513024530 + ... + 1513025989.

It is an arithmetic number, because the mean of its divisors is an integer number (251918705790).

Almost surely, 2^{2209016878870} is an apocalyptic number.

2209016878870 is a deficient number, since it is larger than the sum of its proper divisors (1821682413770).

2209016878870 is a wasteful number, since it uses less digits than its factorization.

2209016878870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026050599.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 2209016878870 in words is "two trillion, two hundred nine billion, sixteen million, eight hundred seventy-eight thousand, eight hundred seventy".