654022112 has 48 divisors (see below), whose sum is σ = 1357588512. Its totient is φ = 309534720.

The previous prime is 654022093. The next prime is 654022133. The reversal of 654022112 is 211220456.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66812 + ... + 75972.

It is an arithmetic number, because the mean of its divisors is an integer number (28283094).

Almost surely, 2^654022112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654022112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678794256).

654022112 is an abundant number, since it is smaller than the sum of its proper divisors (703566400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654022112 is a wasteful number, since it uses less digits than its factorization.

654022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291 (or 9283 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 654022112 is about 25573.8560252458. The cubic root of 654022112 is about 868.0221560598.

Adding to 654022112 its reverse (211220456), we get a palindrome (865242568).

The spelling of 654022112 in words is "six hundred fifty-four million, twenty-two thousand, one hundred twelve".