894574620922 has 4 divisors (see below), whose sum is σ = 1341861931386. Its totient is φ = 447287310460.

The previous prime is 894574620917. The next prime is 894574621007. The reversal of 894574620922 is 229026475498.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 510894723361 + 383679897561 = 714769^2 + 619419^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223643655229 + ... + 223643655232.

Almost surely, 2^894574620922 is an apocalyptic number.

894574620922 is a deficient number, since it is larger than the sum of its proper divisors (447287310464).

894574620922 is a wasteful number, since it uses less digits than its factorization.

894574620922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447287310463.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 894574620922 in words is "eight hundred ninety-four billion, five hundred seventy-four million, six hundred twenty thousand, nine hundred twenty-two".