2245902478 has 8 divisors (see below), whose sum is σ = 3409442568. Its totient is φ = 1109421624.

The previous prime is 2245902457. The next prime is 2245902493. The reversal of 2245902478 is 8742095422.

It is a happy number.

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, 6764601 + ... + 6764932.

It is an arithmetic number, because the mean of its divisors is an integer number (426180321).

Almost surely, 2^2245902478 is an apocalyptic number.

2245902478 is a deficient number, since it is larger than the sum of its proper divisors (1163540090).

2245902478 is a wasteful number, since it uses less digits than its factorization.

2245902478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13529618.

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

The square root of 2245902478 is about 47390.9535460092. The cubic root of 2245902478 is about 1309.5747659302.

The spelling of 2245902478 in words is "two billion, two hundred forty-five million, nine hundred two thousand, four hundred seventy-eight".