894022669 has 2 divisors, whose sum is σ = 894022670. Its totient is φ = 894022668.

The previous prime is 894022583. The next prime is 894022691. The reversal of 894022669 is 966220498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 636805225 + 257217444 = 25235^2 + 16038^2 .

It is a cyclic number.

It is not a de Polignac number, because 894022669 - 2⁷ = 894022541 is a prime.

It is a super-2 number, since 2×894022669² = 1598553065371767122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894022069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447011334 + 447011335.

It is an arithmetic number, because the mean of its divisors is an integer number (447011335).

Almost surely, 2^894022669 is an apocalyptic number.

It is an amenable number.

894022669 is a deficient number, since it is larger than the sum of its proper divisors (1).

894022669 is an equidigital number, since it uses as much as digits as its factorization.

894022669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 894022669 is about 29900.2118554367. The cubic root of 894022669 is about 963.3472093908.

The spelling of 894022669 in words is "eight hundred ninety-four million, twenty-two thousand, six hundred sixty-nine".