2212922878 has 32 divisors (see below), whose sum is σ = 3599510400. Its totient is φ = 1016530944.

The previous prime is 2212922869. The next prime is 2212922917. The reversal of 2212922878 is 8782292122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234426 + ... + 243682.

It is an arithmetic number, because the mean of its divisors is an integer number (112484700).

Almost surely, 2^2212922878 is an apocalyptic number.

2212922878 is a deficient number, since it is larger than the sum of its proper divisors (1386587522).

2212922878 is a wasteful number, since it uses less digits than its factorization.

2212922878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444.

The product of its digits is 129024, while the sum is 43.

The square root of 2212922878 is about 47041.7142332207. The cubic root of 2212922878 is about 1303.1330502624.

The spelling of 2212922878 in words is "two billion, two hundred twelve million, nine hundred twenty-two thousand, eight hundred seventy-eight".