2794221854 has 4 divisors (see below), whose sum is σ = 4191332784. Its totient is φ = 1397110926.

The previous prime is 2794221853. The next prime is 2794221877. The reversal of 2794221854 is 4581224972.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2794221853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698555462 + ... + 698555465.

It is an arithmetic number, because the mean of its divisors is an integer number (1047833196).

Almost surely, 2^2794221854 is an apocalyptic number.

2794221854 is a deficient number, since it is larger than the sum of its proper divisors (1397110930).

2794221854 is a wasteful number, since it uses less digits than its factorization.

2794221854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397110929.

The product of its digits is 322560, while the sum is 44.

The square root of 2794221854 is about 52860.3996768848. The cubic root of 2794221854 is about 1408.4895472795.

The spelling of 2794221854 in words is "two billion, seven hundred ninety-four million, two hundred twenty-one thousand, eight hundred fifty-four".