2203154340 has 48 divisors (see below), whose sum is σ = 6185433408. Its totient is φ = 585926784.

The previous prime is 2203154339. The next prime is 2203154351. The reversal of 2203154340 is 434513022.

It is a self number, because there is not a number n which added to its sum of digits gives 2203154340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26842 + ... + 71601.

It is an arithmetic number, because the mean of its divisors is an integer number (128863196).

Almost surely, 2^2203154340 is an apocalyptic number.

2203154340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203154340 is an abundant number, since it is smaller than the sum of its proper divisors (3982279068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2203154340 is a wasteful number, since it uses less digits than its factorization.

2203154340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98828 (or 98826 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2203154340 is about 46937.7709313086. The cubic root of 2203154340 is about 1301.2127420744.

Adding to 2203154340 its reverse (434513022), we get a palindrome (2637667362).

The spelling of 2203154340 in words is "two billion, two hundred three million, one hundred fifty-four thousand, three hundred forty".