2192118542 has 4 divisors (see below), whose sum is σ = 3288177816. Its totient is φ = 1096059270.

The previous prime is 2192118503. The next prime is 2192118557. The reversal of 2192118542 is 2458112912.

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, 548029634 + ... + 548029637.

It is an arithmetic number, because the mean of its divisors is an integer number (822044454).

Almost surely, 2^2192118542 is an apocalyptic number.

2192118542 is a deficient number, since it is larger than the sum of its proper divisors (1096059274).

2192118542 is a wasteful number, since it uses less digits than its factorization.

2192118542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096059273.

The product of its digits is 11520, while the sum is 35.

The square root of 2192118542 is about 46820.0655915816. The cubic root of 2192118542 is about 1299.0364738071.

The spelling of 2192118542 in words is "two billion, one hundred ninety-two million, one hundred eighteen thousand, five hundred forty-two".