1922302745 has 32 divisors (see below), whose sum is σ = 2598963840. Its totient is φ = 1352816640.

The previous prime is 1922302721. The next prime is 1922302747. The reversal of 1922302745 is 5472032291.

It is a happy number.

It is not a de Polignac number, because 1922302745 - 2¹⁴ = 1922286361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1922302747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254057 + ... + 261513.

It is an arithmetic number, because the mean of its divisors is an integer number (81217620).

Almost surely, 2^1922302745 is an apocalyptic number.

It is an amenable number.

1922302745 is a deficient number, since it is larger than the sum of its proper divisors (676661095).

1922302745 is a wasteful number, since it uses less digits than its factorization.

1922302745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1922302745 is about 43844.0730886171. The cubic root of 1922302745 is about 1243.3896902645.

The spelling of 1922302745 in words is "one billion, nine hundred twenty-two million, three hundred two thousand, seven hundred forty-five".