2188555022 has 4 divisors (see below), whose sum is σ = 3282832536. Its totient is φ = 1094277510.

The previous prime is 2188555013. The next prime is 2188555043. The reversal of 2188555022 is 2205558812.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547138754 + ... + 547138757.

It is an arithmetic number, because the mean of its divisors is an integer number (820708134).

Almost surely, 2^2188555022 is an apocalyptic number.

2188555022 is a deficient number, since it is larger than the sum of its proper divisors (1094277514).

2188555022 is a wasteful number, since it uses less digits than its factorization.

2188555022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094277513.

The product of its (nonzero) digits is 64000, while the sum is 38.

The square root of 2188555022 is about 46781.9946346882. The cubic root of 2188555022 is about 1298.3321850835.

The spelling of 2188555022 in words is "two billion, one hundred eighty-eight million, five hundred fifty-five thousand, twenty-two".