2245678999 has 16 divisors (see below), whose sum is σ = 2395347328. Its totient is φ = 2102218272.

The previous prime is 2245678973. The next prime is 2245679011. The reversal of 2245678999 is 9998765422.

It is a cyclic number.

It is not a de Polignac number, because 2245678999 - 2³¹ = 98195351 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245678969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96064 + ... + 117130.

It is an arithmetic number, because the mean of its divisors is an integer number (149709208).

Almost surely, 2^2245678999 is an apocalyptic number.

2245678999 is a deficient number, since it is larger than the sum of its proper divisors (149668329).

2245678999 is a wasteful number, since it uses less digits than its factorization.

2245678999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21214.

The product of its digits is 19595520, while the sum is 61.

The square root of 2245678999 is about 47388.5956639359. The cubic root of 2245678999 is about 1309.5313279849.

The spelling of 2245678999 in words is "two billion, two hundred forty-five million, six hundred seventy-eight thousand, nine hundred ninety-nine".