1922452657 has 4 divisors (see below), whose sum is σ = 1926913536. Its totient is φ = 1917991780.

The previous prime is 1922452613. The next prime is 1922452663. The reversal of 1922452657 is 7562542291.

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.

It is a cyclic number.

It is not a de Polignac number, because 1922452657 - 2⁷ = 1922452529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1922450657) 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, 2229793 + ... + 2230654.

It is an arithmetic number, because the mean of its divisors is an integer number (481728384).

Almost surely, 2^1922452657 is an apocalyptic number.

It is an amenable number.

1922452657 is a deficient number, since it is larger than the sum of its proper divisors (4460879).

1922452657 is an equidigital number, since it uses as much as digits as its factorization.

1922452657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460878.

The product of its digits is 302400, while the sum is 43.

The square root of 1922452657 is about 43845.7826592250. The cubic root of 1922452657 is about 1243.4220116025.

The spelling of 1922452657 in words is "one billion, nine hundred twenty-two million, four hundred fifty-two thousand, six hundred fifty-seven".