1892723225 has 12 divisors (see below), whose sum is σ = 2353280556. Its totient is φ = 1510111680.

The previous prime is 1892723201. The next prime is 1892723249. The reversal of 1892723225 is 5223272981.

It is an interprime number because it is at equal distance from previous prime (1892723201) and next prime (1892723249).

It can be written as a sum of positive squares in 6 ways, for example, as 15147664 + 1877575561 = 3892^2 + 43331^2 .

It is not a de Polignac number, because 1892723225 - 2¹⁰ = 1892722201 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92162 + ... + 110811.

It is an arithmetic number, because the mean of its divisors is an integer number (196106713).

Almost surely, 2^1892723225 is an apocalyptic number.

It is an amenable number.

1892723225 is a deficient number, since it is larger than the sum of its proper divisors (460557331).

1892723225 is a wasteful number, since it uses less digits than its factorization.

1892723225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203356 (or 203351 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 1892723225 is about 43505.4390277813. The cubic root of 1892723225 is about 1236.9791243936.

The spelling of 1892723225 in words is "one billion, eight hundred ninety-two million, seven hundred twenty-three thousand, two hundred twenty-five".