2245206478 has 8 divisors (see below), whose sum is σ = 3545062920. Its totient is φ = 1063518840.

The previous prime is 2245206461. The next prime is 2245206493. The reversal of 2245206478 is 8746025422.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2245206478.

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, 29542153 + ... + 29542228.

It is an arithmetic number, because the mean of its divisors is an integer number (443132865).

Almost surely, 2^2245206478 is an apocalyptic number.

2245206478 is a deficient number, since it is larger than the sum of its proper divisors (1299856442).

2245206478 is a wasteful number, since it uses less digits than its factorization.

2245206478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59084402.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 2245206478 is about 47383.6098033909. The cubic root of 2245206478 is about 1309.4394738868.

The spelling of 2245206478 in words is "two billion, two hundred forty-five million, two hundred six thousand, four hundred seventy-eight".