2259779450 has 12 divisors (see below), whose sum is σ = 4203189870. Its totient is φ = 903911760.

The previous prime is 2259779447. The next prime is 2259779461. The reversal of 2259779450 is 549779522.

It can be written as a sum of positive squares in 3 ways, for example, as 1645681489 + 614097961 = 40567^2 + 24781^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 45195589 = 2259779450 / (2 + 2 + 5 + 9 + 7 + 7 + 9 + 4 + 5 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22597745 + ... + 22597844.

Almost surely, 2^2259779450 is an apocalyptic number.

2259779450 is a deficient number, since it is larger than the sum of its proper divisors (1943410420).

2259779450 is a wasteful number, since it uses less digits than its factorization.

2259779450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45195601 (or 45195596 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 2259779450 is about 47537.1375873643. The cubic root of 2259779450 is about 1312.2664279750.

The spelling of 2259779450 in words is "two billion, two hundred fifty-nine million, seven hundred seventy-nine thousand, four hundred fifty".