2188703998 has 16 divisors (see below), whose sum is σ = 3743575920. Its totient is φ = 950749056.

The previous prime is 2188703983. The next prime is 2188704017. The reversal of 2188703998 is 8993078812.

It is a super-2 number, since 2×2188703998² = 9580850381722368008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2475468 + ... + 2476351.

It is an arithmetic number, because the mean of its divisors is an integer number (233973495).

Almost surely, 2^2188703998 is an apocalyptic number.

2188703998 is a deficient number, since it is larger than the sum of its proper divisors (1554871922).

2188703998 is a wasteful number, since it uses less digits than its factorization.

2188703998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951851.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 2188703998 is about 46783.5868441059. The cubic root of 2188703998 is about 1298.3616437819.

The spelling of 2188703998 in words is "two billion, one hundred eighty-eight million, seven hundred three thousand, nine hundred ninety-eight".