2212654678 has 8 divisors (see below), whose sum is σ = 3574288368. Its totient is φ = 1021225224.

The previous prime is 2212654663. The next prime is 2212654693. The reversal of 2212654678 is 8764562122.

It is a happy number.

2212654678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2212654663) and next prime (2212654693).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42551026 + ... + 42551077.

It is an arithmetic number, because the mean of its divisors is an integer number (446786046).

Almost surely, 2^2212654678 is an apocalyptic number.

2212654678 is a deficient number, since it is larger than the sum of its proper divisors (1361633690).

2212654678 is a wasteful number, since it uses less digits than its factorization.

2212654678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85102118.

The product of its digits is 322560, while the sum is 43.

The square root of 2212654678 is about 47038.8634854202. The cubic root of 2212654678 is about 1303.0804027876.

The spelling of 2212654678 in words is "two billion, two hundred twelve million, six hundred fifty-four thousand, six hundred seventy-eight".