654730922 has 4 divisors (see below), whose sum is σ = 982096386. Its totient is φ = 327365460.

The previous prime is 654730919. The next prime is 654730931. The reversal of 654730922 is 229037456.

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., 448550041 + 206180881 = 21179^2 + 14359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163682729 + ... + 163682732.

Almost surely, 2^654730922 is an apocalyptic number.

654730922 is a deficient number, since it is larger than the sum of its proper divisors (327365464).

654730922 is a wasteful number, since it uses less digits than its factorization.

654730922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327365463.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 654730922 is about 25587.7103704102. The cubic root of 654730922 is about 868.3356218377.

The spelling of 654730922 in words is "six hundred fifty-four million, seven hundred thirty thousand, nine hundred twenty-two".