1922042207 has 4 divisors (see below), whose sum is σ = 1949113296. Its totient is φ = 1894971120.

The previous prime is 1922042183. The next prime is 1922042237. The reversal of 1922042207 is 7022402291.

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

It is a cyclic number.

It is not a de Polignac number, because 1922042207 - 2⁸ = 1922041951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1922042207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922042237) 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, 13535438 + ... + 13535579.

It is an arithmetic number, because the mean of its divisors is an integer number (487278324).

Almost surely, 2^1922042207 is an apocalyptic number.

1922042207 is a deficient number, since it is larger than the sum of its proper divisors (27071089).

1922042207 is an equidigital number, since it uses as much as digits as its factorization.

1922042207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27071088.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1922042207 is about 43841.1017995670. The cubic root of 1922042207 is about 1243.3335137334. Note that the first 3 decimals are identical.

Adding to 1922042207 its reverse (7022402291), we get a palindrome (8944444498).

The spelling of 1922042207 in words is "one billion, nine hundred twenty-two million, forty-two thousand, two hundred seven".