1964225492 has 18 divisors (see below), whose sum is σ = 3651490542. Its totient is φ = 924340864.

The previous prime is 1964225489. The next prime is 1964225591. The reversal of 1964225492 is 2945224691.

It can be written as a sum of positive squares in 3 ways, for example, as 1264940356 + 699285136 = 35566^2 + 26444^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 848423 + ... + 850734.

Almost surely, 2^1964225492 is an apocalyptic number.

It is an amenable number.

1964225492 is a deficient number, since it is larger than the sum of its proper divisors (1687265050).

1964225492 is a wasteful number, since it uses less digits than its factorization.

1964225492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699195 (or 1699176 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 1964225492 is about 44319.5836171776. The cubic root of 1964225492 is about 1252.3636327352.

The spelling of 1964225492 in words is "one billion, nine hundred sixty-four million, two hundred twenty-five thousand, four hundred ninety-two".