1894222375 has 8 divisors (see below), whose sum is σ = 2363989680. Its totient is φ = 1515377800.

The previous prime is 1894222373. The next prime is 1894222397. The reversal of 1894222375 is 5732224981.

It is not a de Polignac number, because 1894222375 - 2¹ = 1894222373 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894222373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7576765 + ... + 7577014.

It is an arithmetic number, because the mean of its divisors is an integer number (295498710).

Almost surely, 2^1894222375 is an apocalyptic number.

1894222375 is a deficient number, since it is larger than the sum of its proper divisors (469767305).

1894222375 is an equidigital number, since it uses as much as digits as its factorization.

1894222375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15153794 (or 15153784 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 1894222375 is about 43522.6650723505. The cubic root of 1894222375 is about 1237.3056253565.

The spelling of 1894222375 in words is "one billion, eight hundred ninety-four million, two hundred twenty-two thousand, three hundred seventy-five".