1920222395 has 16 divisors (see below), whose sum is σ = 2836021440. Its totient is φ = 1215437184.

The previous prime is 1920222391. The next prime is 1920222397. The reversal of 1920222395 is 5932220291.

It is not a de Polignac number, because 1920222395 - 2² = 1920222391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1920222391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2109680 + ... + 2110589.

It is an arithmetic number, because the mean of its divisors is an integer number (177251340).

Almost surely, 2^1920222395 is an apocalyptic number.

1920222395 is a deficient number, since it is larger than the sum of its proper divisors (915799045).

1920222395 is a wasteful number, since it uses less digits than its factorization.

1920222395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220294.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1920222395 is about 43820.3422510596. The cubic root of 1920222395 is about 1242.9409889297.

The spelling of 1920222395 in words is "one billion, nine hundred twenty million, two hundred twenty-two thousand, three hundred ninety-five".