1925227664 has 40 divisors (see below), whose sum is σ = 3755598168. Its totient is φ = 956067840.

The previous prime is 1925227663. The next prime is 1925227721. The reversal of 1925227664 is 4667225291.

It can be written as a sum of positive squares in 4 ways, for example, as 305970064 + 1619257600 = 17492^2 + 40240^2 .

It is not an unprimeable number, because it can be changed into a prime (1925227663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2054204 + ... + 2055140.

Almost surely, 2^1925227664 is an apocalyptic number.

It is an amenable number.

1925227664 is a deficient number, since it is larger than the sum of its proper divisors (1830370504).

1925227664 is a wasteful number, since it uses less digits than its factorization.

1925227664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 1677 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 1925227664 is about 43877.4163323229. The cubic root of 1925227664 is about 1244.0200056749.

The spelling of 1925227664 in words is "one billion, nine hundred twenty-five million, two hundred twenty-seven thousand, six hundred sixty-four".