2178229026 has 16 divisors (see below), whose sum is σ = 4357240128. Its totient is φ = 725946000.

The previous prime is 2178229003. The next prime is 2178229049. The reversal of 2178229026 is 6209228712.

It is an interprime number because it is at equal distance from previous prime (2178229003) and next prime (2178229049).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7396 + ... + 66416.

It is an arithmetic number, because the mean of its divisors is an integer number (272327508).

Almost surely, 2^2178229026 is an apocalyptic number.

2178229026 is an abundant number, since it is smaller than the sum of its proper divisors (2179011102).

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

2178229026 is a wasteful number, since it uses less digits than its factorization.

2178229026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65177.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 2178229026 is about 46671.5012186238. The cubic root of 2178229026 is about 1296.2870437108.

The spelling of 2178229026 in words is "two billion, one hundred seventy-eight million, two hundred twenty-nine thousand, twenty-six".