222849392977 has 4 divisors (see below), whose sum is σ = 224452626160. Its totient is φ = 221246159796.

The previous prime is 222849392971. The next prime is 222849393043. The reversal of 222849392977 is 779293948222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 779293948222 = 2 ⋅389646974111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222849392977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222849392971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801616383 + ... + 801616660.

It is an arithmetic number, because the mean of its divisors is an integer number (56113156540).

Almost surely, 2^222849392977 is an apocalyptic number.

It is an amenable number.

222849392977 is a deficient number, since it is larger than the sum of its proper divisors (1603233183).

222849392977 is a wasteful number, since it uses less digits than its factorization.

222849392977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603233182.

The product of its digits is 54867456, while the sum is 64.

The spelling of 222849392977 in words is "two hundred twenty-two billion, eight hundred forty-nine million, three hundred ninety-two thousand, nine hundred seventy-seven".