1928222007 has 8 divisors (see below), whose sum is σ = 2596418160. Its totient is φ = 1272753600.

The previous prime is 1928221987. The next prime is 1928222057. The reversal of 1928222007 is 7002228291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1928222007 - 2⁷ = 1928221879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928222057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3181582 + ... + 3182187.

It is an arithmetic number, because the mean of its divisors is an integer number (324552270).

Almost surely, 2^1928222007 is an apocalyptic number.

1928222007 is a deficient number, since it is larger than the sum of its proper divisors (668196153).

1928222007 is a wasteful number, since it uses less digits than its factorization.

1928222007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363873.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1928222007 is about 43911.5247628683. The cubic root of 1928222007 is about 1244.6646208777.

The spelling of 1928222007 in words is "one billion, nine hundred twenty-eight million, two hundred twenty-two thousand, seven".