2212490078 has 8 divisors (see below), whose sum is σ = 3319179768. Its totient is φ = 1106096824.

The previous prime is 2212490053. The next prime is 2212490089. The reversal of 2212490078 is 8700942122.

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

It is a super-2 number, since 2×2212490078² = 9790224690496892168, which contains 22 as substring.

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, 54401 + ... + 85932.

It is an arithmetic number, because the mean of its divisors is an integer number (414897471).

Almost surely, 2^2212490078 is an apocalyptic number.

2212490078 is a deficient number, since it is larger than the sum of its proper divisors (1106689690).

2212490078 is a wasteful number, since it uses less digits than its factorization.

2212490078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148218.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2212490078 is about 47037.1138357787. The cubic root of 2212490078 is about 1303.0480898145.

The spelling of 2212490078 in words is "two billion, two hundred twelve million, four hundred ninety thousand, seventy-eight".