1930225444 has 36 divisors (see below), whose sum is σ = 4003548444. Its totient is φ = 811626816.

The previous prime is 1930225421. The next prime is 1930225477. The reversal of 1930225444 is 4445220391.

It can be written as a sum of positive squares in 2 ways, for example, as 1289528100 + 640697344 = 35910^2 + 25312^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82519 + ... + 103294.

It is an arithmetic number, because the mean of its divisors is an integer number (111209679).

Almost surely, 2^1930225444 is an apocalyptic number.

1930225444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1930225444 is an abundant number, since it is smaller than the sum of its proper divisors (2073323000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1930225444 is a wasteful number, since it uses less digits than its factorization.

1930225444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185884 (or 185875 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1930225444 is about 43934.3310407704. The cubic root of 1930225444 is about 1245.0955435996.

The spelling of 1930225444 in words is "one billion, nine hundred thirty million, two hundred twenty-five thousand, four hundred forty-four".