1922134897 has 4 divisors (see below), whose sum is σ = 1930754560. Its totient is φ = 1913515236.

The previous prime is 1922134891. The next prime is 1922134901. The reversal of 1922134897 is 7984312291.

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.

It is a cyclic number.

It is not a de Polignac number, because 1922134897 - 2⁷ = 1922134769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1922134891) 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, 4309497 + ... + 4309942.

It is an arithmetic number, because the mean of its divisors is an integer number (482688640).

Almost surely, 2^1922134897 is an apocalyptic number.

It is an amenable number.

1922134897 is a deficient number, since it is larger than the sum of its proper divisors (8619663).

1922134897 is an equidigital number, since it uses as much as digits as its factorization.

1922134897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619662.

The product of its digits is 217728, while the sum is 46.

The square root of 1922134897 is about 43842.1588998535. The cubic root of 1922134897 is about 1243.3534998937.

The spelling of 1922134897 in words is "one billion, nine hundred twenty-two million, one hundred thirty-four thousand, eight hundred ninety-seven".