2212078 has 8 divisors (see below), whose sum is σ = 3619800. Its totient is φ = 1005480.

The previous prime is 2212069. The next prime is 2212081. The reversal of 2212078 is 8702122.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 100549 = 2212078 / (2 + 2 + 1 + 2 + 0 + 7 + 8).

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, 50253 + ... + 50296.

It is an arithmetic number, because the mean of its divisors is an integer number (452475).

2^2212078 is an apocalyptic number.

2212078 is a deficient number, since it is larger than the sum of its proper divisors (1407722).

2212078 is a wasteful number, since it uses less digits than its factorization.

2212078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100562.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2212078 is about 1487.3056175514. The cubic root of 2212078 is about 130.2967186884.

It can be divided in two parts, 22 and 12078, that added together give a square (12100 = 110²).

The spelling of 2212078 in words is "two million, two hundred twelve thousand, seventy-eight".