648922285 has 8 divisors (see below), whose sum is σ = 849498336. Its totient is φ = 471943440.

The previous prime is 648922277. The next prime is 648922343. The reversal of 648922285 is 582229846.

648922285 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 648922285 - 2³ = 648922277 is a prime.

It is a super-2 number, since 2×648922285² = 842200263939242450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5899239 + ... + 5899348.

It is an arithmetic number, because the mean of its divisors is an integer number (106187292).

Almost surely, 2^648922285 is an apocalyptic number.

It is an amenable number.

648922285 is a deficient number, since it is larger than the sum of its proper divisors (200576051).

648922285 is a wasteful number, since it uses less digits than its factorization.

648922285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11798603.

The product of its digits is 552960, while the sum is 46.

The square root of 648922285 is about 25473.9530697534. The cubic root of 648922285 is about 865.7600923628.

The spelling of 648922285 in words is "six hundred forty-eight million, nine hundred twenty-two thousand, two hundred eighty-five".